{"id":73095,"date":"2026-04-08T11:05:21","date_gmt":"2026-04-08T09:05:21","guid":{"rendered":"https:\/\/iskg.de\/?p=73095"},"modified":"2026-08-28T15:50:00","modified_gmt":"2026-08-28T13:50:00","slug":"flash-freezing-versus-conventional-freezing-iqf","status":"publish","type":"post","link":"https:\/\/iskg.de\/en\/aktuelles\/flash-freezing-versus-conventional-freezing-iqf\/","title":{"rendered":"Flash freezing versus conventional freezing: what decides quality and nutrients"},"content":{"rendered":"<p>[et_pb_section fb_built=&#8221;1&#8243; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; width=&#8221;100%&#8221; max_width=&#8221;100%&#8221; custom_padding=&#8221;0px||0px||false|false&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_row _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; width=&#8221;100%&#8221; max_width=&#8221;100%&#8221; custom_margin=&#8221;|-120px||0px|false|false&#8221; custom_padding=&#8221;0px||2em||false|false&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_code _builder_version=&#8221;4.27.6&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550<!-- [et_pb_line_break_holder] -->     SCHEMA.ORG structured data (JSON-LD)<!-- [et_pb_line_break_holder] -->     \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 &#8211;><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --><script type=\"application\/ld+json\"><!-- [et_pb_line_break_holder] -->{<!-- [et_pb_line_break_holder] -->  \"@context\": \"https:\/\/schema.org\",<!-- [et_pb_line_break_holder] -->  \"@type\": \"Article\",<!-- [et_pb_line_break_holder] -->  \"headline\": \"Flash freezing versus conventional freezing: what really decides quality and nutrients\",<!-- [et_pb_line_break_holder] -->  \"description\": \"The difference between IQF flash freezing and conventional freezing: nutrients, cell structure and quality compared, with an insight into production practice at J\u00fctro Tiefk\u00fchlkost GmbH & Co. KG in Jessen.\",<!-- [et_pb_line_break_holder] -->  \"keywords\": \"flash freezing, IQF, Individually Quick Frozen, frozen food, freezer burn, nutrients, vitamins, ice crystals, commercial kitchen, foodservice\",<!-- [et_pb_line_break_holder] -->  \"inLanguage\": \"en-GB\",<!-- [et_pb_line_break_holder] -->  \"author\": {<!-- [et_pb_line_break_holder] -->    \"@type\": \"Organization\",<!-- [et_pb_line_break_holder] -->    \"name\": \"I.Schroeder KG\",<!-- [et_pb_line_break_holder] -->    \"url\": \"https:\/\/iskg.de\/en\/\"<!-- [et_pb_line_break_holder] -->  },<!-- [et_pb_line_break_holder] -->  \"publisher\": {<!-- [et_pb_line_break_holder] -->    \"@type\": \"Organization\",<!-- [et_pb_line_break_holder] -->    \"name\": \"I.Schroeder KG\",<!-- [et_pb_line_break_holder] -->    \"url\": \"https:\/\/iskg.de\/en\/\",<!-- [et_pb_line_break_holder] -->    \"logo\": {<!-- [et_pb_line_break_holder] -->      \"@type\": \"ImageObject\",<!-- [et_pb_line_break_holder] -->      \"url\": \"https:\/\/iskg.de\/wp-content\/uploads\/2019\/01\/i-schroeder-kg-hamburg-iskg-logo.png\"<!-- [et_pb_line_break_holder] -->    }<!-- [et_pb_line_break_holder] -->  },<!-- [et_pb_line_break_holder] -->  \"mainEntityOfPage\": {<!-- [et_pb_line_break_holder] -->    \"@type\": \"WebPage\",<!-- [et_pb_line_break_holder] -->    \"@id\": \"https:\/\/iskg.de\/en\/journal\/\"<!-- [et_pb_line_break_holder] -->  },<!-- [et_pb_line_break_holder] -->  \"about\": [<!-- [et_pb_line_break_holder] -->    {<!-- [et_pb_line_break_holder] -->      \"@type\": \"Thing\",<!-- [et_pb_line_break_holder] -->      \"name\": \"IQF process\",<!-- [et_pb_line_break_holder] -->      \"description\": \"Individually Quick Frozen, an industrial flash freezing process that freezes foods piece by piece\"<!-- [et_pb_line_break_holder] -->    },<!-- [et_pb_line_break_holder] -->    {<!-- [et_pb_line_break_holder] -->      \"@type\": \"Thing\",<!-- [et_pb_line_break_holder] -->      \"name\": \"Flash freezing\",<!-- [et_pb_line_break_holder] -->      \"description\": \"A rapid freezing process that brings foods to core temperatures of \u221218 \u00b0C to \u221240 \u00b0C within minutes\"<!-- [et_pb_line_break_holder] -->    }<!-- [et_pb_line_break_holder] -->  ]<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] --><\/script><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --><script type=\"application\/ld+json\"><!-- [et_pb_line_break_holder] -->{<!-- [et_pb_line_break_holder] -->  \"@context\": \"https:\/\/schema.org\",<!-- [et_pb_line_break_holder] -->  \"@type\": \"FAQPage\",<!-- [et_pb_line_break_holder] -->  \"mainEntity\": [<!-- [et_pb_line_break_holder] -->    {<!-- [et_pb_line_break_holder] -->      \"@type\": \"Question\",<!-- [et_pb_line_break_holder] -->      \"name\": \"Does flash freezing retain more vitamins than buying fresh?\",<!-- [et_pb_line_break_holder] -->      \"acceptedAnswer\": {<!-- [et_pb_line_break_holder] -->        \"@type\": \"Answer\",<!-- [et_pb_line_break_holder] -->        \"text\": \"Yes. Vegetables flash frozen straight after harvesting can contain more vitamins than fresh goods that have been in transit or on the shelf for two to four days. Vitamin C breaks down quickly at room temperature but stays largely stable in the frozen state. The German Federal Institute for Risk Assessment (BfR) has documented this vitamin loss in stored fresh produce.\"<!-- [et_pb_line_break_holder] -->      }<!-- [et_pb_line_break_holder] -->    },<!-- [et_pb_line_break_holder] -->    {<!-- [et_pb_line_break_holder] -->      \"@type\": \"Question\",<!-- [et_pb_line_break_holder] -->      \"name\": \"What does IQF mean?\",<!-- [et_pb_line_break_holder] -->      \"acceptedAnswer\": {<!-- [et_pb_line_break_holder] -->        \"@type\": \"Answer\",<!-- [et_pb_line_break_holder] -->        \"text\": \"IQF stands for Individually Quick Frozen. Each piece of vegetable or fruit passes through the freezing process separately, without clumping together. That allows portion-accurate use and prevents freezer burn. Industrial processes reach a core temperature of at least \u221218 \u00b0C, often \u221230 to \u221240 \u00b0C.\"<!-- [et_pb_line_break_holder] -->      }<!-- [et_pb_line_break_holder] -->    },<!-- [et_pb_line_break_holder] -->    {<!-- [et_pb_line_break_holder] -->      \"@type\": \"Question\",<!-- [et_pb_line_break_holder] -->      \"name\": \"At what temperature does flash freezing work?\",<!-- [et_pb_line_break_holder] -->      \"acceptedAnswer\": {<!-- [et_pb_line_break_holder] -->        \"@type\": \"Answer\",<!-- [et_pb_line_break_holder] -->        \"text\": \"The core temperature has to reach at least \u221218 \u00b0C. Industrial flash freezing plants such as the one at J\u00fctro Tiefk\u00fchlkost target \u221230 to \u221240 \u00b0C. What matters is passing through the maximum ice crystal zone between \u22121 \u00b0C and \u22125 \u00b0C as quickly as possible, because that is exactly where the cell damage occurs.\"<!-- [et_pb_line_break_holder] -->      }<!-- [et_pb_line_break_holder] -->    }<!-- [et_pb_line_break_holder] -->  ]<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] --><\/script><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --><script type=\"application\/ld+json\"><!-- [et_pb_line_break_holder] -->{<!-- [et_pb_line_break_holder] -->  \"@context\": \"https:\/\/schema.org\",<!-- [et_pb_line_break_holder] -->  \"@type\": \"Organization\",<!-- [et_pb_line_break_holder] -->  \"name\": \"J\u00fctro Tiefk\u00fchlkost GmbH & Co. KG\",<!-- [et_pb_line_break_holder] -->  \"parentOrganization\": {<!-- [et_pb_line_break_holder] -->    \"@type\": \"Organization\",<!-- [et_pb_line_break_holder] -->    \"name\": \"I.Schroeder KG\",<!-- [et_pb_line_break_holder] -->    \"url\": \"https:\/\/iskg.de\/en\/\",<!-- [et_pb_line_break_holder] -->    \"address\": {<!-- [et_pb_line_break_holder] -->      \"@type\": \"PostalAddress\",<!-- [et_pb_line_break_holder] -->      \"streetAddress\": \"Am Sandtorkai 37\",<!-- [et_pb_line_break_holder] -->      \"postalCode\": \"20457\",<!-- [et_pb_line_break_holder] -->      \"addressLocality\": \"Hamburg\",<!-- [et_pb_line_break_holder] -->      \"addressCountry\": \"DE\"<!-- [et_pb_line_break_holder] -->    },<!-- [et_pb_line_break_holder] -->    \"telephone\": \"+4940376740\",<!-- [et_pb_line_break_holder] -->    \"email\": \"schroeder@iskg.de\"<!-- [et_pb_line_break_holder] -->  },<!-- [et_pb_line_break_holder] -->  \"foundingDate\": \"1991\",<!-- [et_pb_line_break_holder] -->  \"description\": \"Frozen food production site of I.Schroeder KG in Jessen, specialising in IQF fruit, IQF vegetables and frozen ready meals to a modern flash freezing standard.\",<!-- [et_pb_line_break_holder] -->  \"address\": {<!-- [et_pb_line_break_holder] -->    \"@type\": \"PostalAddress\",<!-- [et_pb_line_break_holder] -->    \"addressLocality\": \"Jessen\",<!-- [et_pb_line_break_holder] -->    \"addressCountry\": \"DE\"<!-- [et_pb_line_break_holder] -->  },<!-- [et_pb_line_break_holder] -->  \"sameAs\": \"https:\/\/iskg.de\/en\/corporate-group\/\"<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] --><\/script><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --><script type=\"application\/ld+json\"><!-- [et_pb_line_break_holder] -->{<!-- [et_pb_line_break_holder] -->  \"@context\": \"https:\/\/schema.org\",<!-- [et_pb_line_break_holder] -->  \"@type\": \"HowTo\",<!-- [et_pb_line_break_holder] -->  \"name\": \"IQF flash freezing: how the process works\",<!-- [et_pb_line_break_holder] -->  \"description\": \"The IQF process (Individually Quick Frozen) freezes vegetables and fruit piece by piece within minutes, for maximum retention of nutrients, texture and colour.\",<!-- [et_pb_line_break_holder] -->  \"step\": [<!-- [et_pb_line_break_holder] -->    {<!-- [et_pb_line_break_holder] -->      \"@type\": \"HowToStep\",<!-- [et_pb_line_break_holder] -->      \"position\": 1,<!-- [et_pb_line_break_holder] -->      \"name\": \"Harvesting at optimum ripeness\",<!-- [et_pb_line_break_holder] -->      \"text\": \"The vegetables are harvested at the optimum moment to secure maximum nutrient density.\"<!-- [et_pb_line_break_holder] -->    },<!-- [et_pb_line_break_holder] -->    {<!-- [et_pb_line_break_holder] -->      \"@type\": \"HowToStep\",<!-- [et_pb_line_break_holder] -->      \"position\": 2,<!-- [et_pb_line_break_holder] -->      \"name\": \"Rapid processing\",<!-- [et_pb_line_break_holder] -->      \"text\": \"The time between harvest and freezing plant is kept as short as possible, so no condensation forms and no quality is lost.\"<!-- [et_pb_line_break_holder] -->    },<!-- [et_pb_line_break_holder] -->    {<!-- [et_pb_line_break_holder] -->      \"@type\": \"HowToStep\",<!-- [et_pb_line_break_holder] -->      \"position\": 3,<!-- [et_pb_line_break_holder] -->      \"name\": \"Individual flash freezing (IQF)\",<!-- [et_pb_line_break_holder] -->      \"text\": \"Each piece of vegetable passes through the freezing process separately. The maximum ice crystal zone between \u22121 \u00b0C and \u22125 \u00b0C is crossed within minutes.\"<!-- [et_pb_line_break_holder] -->    },<!-- [et_pb_line_break_holder] -->    {<!-- [et_pb_line_break_holder] -->      \"@type\": \"HowToStep\",<!-- [et_pb_line_break_holder] -->      \"position\": 4,<!-- [et_pb_line_break_holder] -->      \"name\": \"Reaching core temperature\",<!-- [et_pb_line_break_holder] -->      \"text\": \"Industrial flash freezing units bring the product to core temperatures of \u221218 \u00b0C to \u221240 \u00b0C. 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[et_pb_line_break_holder] -->    content: \"\u2713\";<!-- [et_pb_line_break_holder] -->    position: absolute;<!-- [et_pb_line_break_holder] -->    left: 0;<!-- [et_pb_line_break_holder] -->    color: #7dd98a;<!-- [et_pb_line_break_holder] -->    font-weight: 700;<!-- [et_pb_line_break_holder] -->  }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  .iskg-compare__col--konv ul li::before {<!-- [et_pb_line_break_holder] -->    content: \"\u2013\";<!-- [et_pb_line_break_holder] -->    position: absolute;<!-- [et_pb_line_break_holder] -->    left: 0;<!-- [et_pb_line_break_holder] -->    color: #999;<!-- [et_pb_line_break_holder] -->  }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  \/* \u2500\u2500 FAQ Accordion \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500 *\/<!-- [et_pb_line_break_holder] -->  .iskg-faq {<!-- [et_pb_line_break_holder] -->    margin: 24px 0;<!-- [et_pb_line_break_holder] -->  }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  .iskg-faq__item {<!-- [et_pb_line_break_holder] -->    border: 1px solid #d5dce8;<!-- [et_pb_line_break_holder] -->    border-radius: var(--radius);<!-- [et_pb_line_break_holder] -->    margin-bottom: 10px;<!-- [et_pb_line_break_holder] -->    overflow: hidden;<!-- [et_pb_line_break_holder] -->  }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  .iskg-faq__trigger {<!-- [et_pb_line_break_holder] -->    width: 100%;<!-- [et_pb_line_break_holder] -->    background-color: var(--iskg-navy-light);<!-- [et_pb_line_break_holder] -->    border: none;<!-- [et_pb_line_break_holder] -->    cursor: pointer;<!-- [et_pb_line_break_holder] -->    padding: 16px 20px;<!-- [et_pb_line_break_holder] -->    text-align: left;<!-- [et_pb_line_break_holder] -->    display: flex;<!-- [et_pb_line_break_holder] -->    justify-content: space-between;<!-- [et_pb_line_break_holder] -->    align-items: center;<!-- [et_pb_line_break_holder] -->    gap: 12px;<!-- [et_pb_line_break_holder] -->    font-size: 15px;<!-- [et_pb_line_break_holder] -->    font-weight: 600;<!-- [et_pb_line_break_holder] -->    color: var(--iskg-navy);<!-- [et_pb_line_break_holder] -->    transition: background-color 0.2s ease;<!-- [et_pb_line_break_holder] -->  }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  .iskg-faq__trigger:hover {<!-- [et_pb_line_break_holder] -->    background-color: #d5e0f0;<!-- [et_pb_line_break_holder] -->  }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  .iskg-faq__trigger[aria-expanded=\"true\"] {<!-- [et_pb_line_break_holder] -->    background-color: var(--iskg-navy);<!-- [et_pb_line_break_holder] -->    color: #fff;<!-- [et_pb_line_break_holder] -->  }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  .iskg-faq__icon {<!-- [et_pb_line_break_holder] -->    flex-shrink: 0;<!-- [et_pb_line_break_holder] -->    width: 22px;<!-- [et_pb_line_break_holder] -->    height: 22px;<!-- [et_pb_line_break_holder] -->    border-radius: 50%;<!-- [et_pb_line_break_holder] -->    background-color: var(--iskg-navy);<!-- [et_pb_line_break_holder] -->    color: #fff;<!-- [et_pb_line_break_holder] -->    display: flex;<!-- [et_pb_line_break_holder] -->    align-items: center;<!-- [et_pb_line_break_holder] -->    justify-content: center;<!-- [et_pb_line_break_holder] -->    font-size: 16px;<!-- [et_pb_line_break_holder] -->    font-weight: 400;<!-- [et_pb_line_break_holder] -->    line-height: 1;<!-- [et_pb_line_break_holder] -->    transition: transform 0.3s ease, background-color 0.2s ease;<!-- [et_pb_line_break_holder] -->  }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  .iskg-faq__trigger[aria-expanded=\"true\"] .iskg-faq__icon {<!-- [et_pb_line_break_holder] -->    background-color: rgba(255,255,255,0.25);<!-- [et_pb_line_break_holder] -->    transform: rotate(45deg);<!-- [et_pb_line_break_holder] -->  }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  .iskg-faq__body {<!-- [et_pb_line_break_holder] -->    max-height: 0;<!-- [et_pb_line_break_holder] -->    overflow: hidden;<!-- [et_pb_line_break_holder] -->    transition: max-height 0.35s ease, padding 0.2s ease;<!-- [et_pb_line_break_holder] -->    background-color: #fff;<!-- [et_pb_line_break_holder] -->  }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  .iskg-faq__body.is-open {<!-- [et_pb_line_break_holder] -->    max-height: 500px;<!-- [et_pb_line_break_holder] -->  }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  .iskg-faq__body-inner {<!-- [et_pb_line_break_holder] -->    padding: 16px 20px 18px;<!-- [et_pb_line_break_holder] -->    color: var(--iskg-text);<!-- [et_pb_line_break_holder] -->    font-size: 14.5px;<!-- [et_pb_line_break_holder] -->    line-height: 1.7;<!-- [et_pb_line_break_holder] -->  }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  .iskg-faq__body-inner a {<!-- [et_pb_line_break_holder] -->    color: var(--iskg-navy);<!-- [et_pb_line_break_holder] -->    text-decoration: underline;<!-- [et_pb_line_break_holder] -->  }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  \/* \u2500\u2500 CTA box \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500 *\/<!-- [et_pb_line_break_holder] -->  .iskg-cta {<!-- [et_pb_line_break_holder] -->    background-color: var(--iskg-navy);<!-- [et_pb_line_break_holder] -->    color: #fff;<!-- [et_pb_line_break_holder] -->    border-radius: var(--radius);<!-- [et_pb_line_break_holder] -->    padding: 28px 28px 24px;<!-- [et_pb_line_break_holder] -->    margin: 32px 0 0;<!-- [et_pb_line_break_holder] -->  }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  .iskg-cta h2 {<!-- [et_pb_line_break_holder] -->    color: #fff !important;<!-- [et_pb_line_break_holder] -->    margin-bottom: 8px;<!-- [et_pb_line_break_holder] -->    font-size: 18px;<!-- [et_pb_line_break_holder] -->  }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  .iskg-cta p {<!-- [et_pb_line_break_holder] -->    color: rgba(255,255,255,0.85);<!-- [et_pb_line_break_holder] -->    margin-bottom: 14px;<!-- [et_pb_line_break_holder] -->    font-size: 14.5px;<!-- [et_pb_line_break_holder] -->  }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  .iskg-cta__links {<!-- [et_pb_line_break_holder] -->    display: flex;<!-- [et_pb_line_break_holder] -->    flex-wrap: wrap;<!-- [et_pb_line_break_holder] -->    gap: 10px;<!-- [et_pb_line_break_holder] -->    margin-top: 4px;<!-- [et_pb_line_break_holder] -->  }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  .iskg-cta__link {<!-- [et_pb_line_break_holder] -->    display: inline-block;<!-- [et_pb_line_break_holder] -->    background-color: rgba(255,255,255,0.15);<!-- [et_pb_line_break_holder] -->    color: #fff !important;<!-- [et_pb_line_break_holder] -->    text-decoration: none !important;<!-- [et_pb_line_break_holder] -->    padding: 9px 18px;<!-- [et_pb_line_break_holder] -->    border-radius: 4px;<!-- [et_pb_line_break_holder] -->    font-size: 13.5px;<!-- [et_pb_line_break_holder] -->    font-weight: 600;<!-- [et_pb_line_break_holder] -->    border: 1px solid rgba(255,255,255,0.3);<!-- [et_pb_line_break_holder] -->    transition: background-color 0.2s ease;<!-- [et_pb_line_break_holder] -->  }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  .iskg-cta__link:hover {<!-- [et_pb_line_break_holder] -->    background-color: rgba(255,255,255,0.25);<!-- [et_pb_line_break_holder] -->  }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  \/* \u2500\u2500 Responsive \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500 *\/<!-- [et_pb_line_break_holder] -->  @media (max-width: 600px) {<!-- [et_pb_line_break_holder] -->    .iskg-compare {<!-- [et_pb_line_break_holder] -->      grid-template-columns: 1fr;<!-- [et_pb_line_break_holder] -->    }<!-- [et_pb_line_break_holder] -->  }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  \/* \u2500\u2500 Tablet (641px to 1024px) \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500 *\/<!-- [et_pb_line_break_holder] -->  @media (min-width: 641px) and (max-width: 1024px) {<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->    .iskg-box {<!-- [et_pb_line_break_holder] -->      padding: 16px 20px;<!-- [et_pb_line_break_holder] -->      margin: 20px 0;<!-- [et_pb_line_break_holder] -->    }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->    .iskg-compare {<!-- [et_pb_line_break_holder] -->      gap: 12px;<!-- [et_pb_line_break_holder] -->    }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->    .iskg-compare__col {<!-- [et_pb_line_break_holder] -->      padding: 16px;<!-- [et_pb_line_break_holder] -->    }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->    .iskg-compare__col ul li {<!-- [et_pb_line_break_holder] -->      font-size: 13.5px;<!-- [et_pb_line_break_holder] -->    }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->    .iskg-faq__trigger {<!-- [et_pb_line_break_holder] -->      font-size: 14px;<!-- [et_pb_line_break_holder] -->      padding: 14px 18px;<!-- [et_pb_line_break_holder] -->    }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->    .iskg-faq__body-inner {<!-- [et_pb_line_break_holder] -->      font-size: 14px;<!-- [et_pb_line_break_holder] -->      padding: 14px 18px 16px;<!-- [et_pb_line_break_holder] -->    }<!-- [et_pb_line_break_holder] -->  }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  \/* \u2500\u2500 Smartphone (max 640px) \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500 *\/<!-- [et_pb_line_break_holder] -->  @media (max-width: 640px) {<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->    \/* Info boxes *\/<!-- [et_pb_line_break_holder] -->    .iskg-box {<!-- [et_pb_line_break_holder] -->      padding: 14px 16px;<!-- [et_pb_line_break_holder] -->      margin: 16px 0;<!-- [et_pb_line_break_holder] -->      border-left-width: 3px;<!-- [et_pb_line_break_holder] -->    }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->    .iskg-box__label {<!-- [et_pb_line_break_holder] -->      font-size: 10px;<!-- [et_pb_line_break_holder] -->      margin-bottom: 6px;<!-- [et_pb_line_break_holder] -->    }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->    .iskg-box p {<!-- [et_pb_line_break_holder] -->      font-size: 14px;<!-- [et_pb_line_break_holder] -->      line-height: 1.65;<!-- [et_pb_line_break_holder] -->    }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->    \/* Comparison table: stacked on smartphone *\/<!-- [et_pb_line_break_holder] -->    .iskg-compare {<!-- [et_pb_line_break_holder] -->      grid-template-columns: 1fr;<!-- [et_pb_line_break_holder] -->      gap: 10px;<!-- [et_pb_line_break_holder] -->      margin: 16px 0;<!-- [et_pb_line_break_holder] -->    }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->    .iskg-compare__col {<!-- [et_pb_line_break_holder] -->      padding: 16px;<!-- [et_pb_line_break_holder] -->    }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->    .iskg-compare__col h4 {<!-- [et_pb_line_break_holder] -->      font-size: 12px;<!-- [et_pb_line_break_holder] -->      margin-bottom: 10px;<!-- [et_pb_line_break_holder] -->      padding-bottom: 8px;<!-- [et_pb_line_break_holder] -->    }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->    .iskg-compare__col ul li {<!-- [et_pb_line_break_holder] -->      font-size: 13.5px;<!-- [et_pb_line_break_holder] -->      padding: 4px 0 4px 18px;<!-- [et_pb_line_break_holder] -->    }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->    \/* FAQ *\/<!-- [et_pb_line_break_holder] -->    .iskg-faq {<!-- [et_pb_line_break_holder] -->      margin: 16px 0;<!-- [et_pb_line_break_holder] -->    }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->    .iskg-faq__item {<!-- [et_pb_line_break_holder] -->      margin-bottom: 8px;<!-- [et_pb_line_break_holder] -->    }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->    .iskg-faq__trigger {<!-- [et_pb_line_break_holder] -->      font-size: 13.5px;<!-- [et_pb_line_break_holder] -->      padding: 13px 16px;<!-- [et_pb_line_break_holder] -->      line-height: 1.4;<!-- [et_pb_line_break_holder] -->    }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->    .iskg-faq__icon {<!-- [et_pb_line_break_holder] -->      width: 20px;<!-- [et_pb_line_break_holder] -->      height: 20px;<!-- [et_pb_line_break_holder] -->      font-size: 15px;<!-- [et_pb_line_break_holder] -->    }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->    .iskg-faq__body-inner {<!-- [et_pb_line_break_holder] -->      font-size: 13.5px;<!-- [et_pb_line_break_holder] -->      line-height: 1.65;<!-- [et_pb_line_break_holder] -->      padding: 13px 16px 15px;<!-- [et_pb_line_break_holder] -->    }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->    \/* General typography *\/<!-- [et_pb_line_break_holder] -->    h1 { font-size: 1.5em; }<!-- [et_pb_line_break_holder] -->    h2 { font-size: 1.2em; }<!-- [et_pb_line_break_holder] -->    h3 { font-size: 1.05em; }<!-- [et_pb_line_break_holder] -->  }<!-- [et_pb_line_break_holder] --><\/style>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --><!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550<!-- [et_pb_line_break_holder] -->     ARTICLE<!-- [et_pb_line_break_holder] -->     \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 &#8211;><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --><\/p>\n<h1>Flash freezing versus conventional freezing: what really decides quality and nutrients<\/h1>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --><pee>After the harvest, the clock is running. Freezing speed decides what is left after defrosting: crisp texture and largely intact nutrients, or soft goods with clear vitamin losses. Anyone who understands that difference makes better sourcing decisions, in grocery retail, in commercial kitchens and in purchasing.<\/pee><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --><pee>This article explains the physical background, cites independent sources on the nutritional question and offers an insight into production practice at <a href=\"https:\/\/iskg.de\/en\/corporate-group\/\" target=\"_blank\" rel=\"noopener\">J\u00fctro Tiefk\u00fchlkost GmbH &#038; Co. KG in Jessen<\/a>.<\/pee><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --><\/p>\n<h2>What happens inside the cell during freezing<\/h2>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --><\/p>\n<h3>Ice crystals as the decisive factor<\/h3>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --><pee>Freezing water forms crystals, and their size depends directly on the rate of cooling. In a domestic freezer a piece of vegetable cools over several hours, which produces large ice crystals that pierce the cell membranes. The result after defrosting: collapsed cells, escaped liquid and a soft to mushy texture.<\/pee><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --><pee>Flash freezing turns that principle around. The water solidifies so quickly that the ice crystals which form stay microscopically small. The cell structure remains intact. After defrosting, the product shows almost the same consistency as before freezing.<\/pee><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --><\/p>\n<div class=\"iskg-box iskg-box--ice\"><!-- [et_pb_line_break_holder] -->  <span class=\"iskg-box__label\">The physics behind it<\/span><!-- [et_pb_line_break_holder] -->  <pee>Food technologists describe the range between \u22121 \u00b0C and \u22125 \u00b0C as the <strong>maximum ice crystal zone<\/strong>. This is where the greatest damage occurs, if the range is crossed slowly. Industrial flash freezing units bring products to core temperatures of \u221218 \u00b0C to \u221240 \u00b0C and cross this zone in <em>minutes<\/em> rather than hours.<\/pee><!-- [et_pb_line_break_holder] --><\/div>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --><\/p>\n<h2>The IQF process in practice<\/h2>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --><\/p>\n<h3>What IQF means, and why it counts for portioning<\/h3>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --><pee><strong>IQF<\/strong> stands for <strong>Individually Quick Frozen<\/strong>. Each piece of vegetable passes through the freezing process separately, without clumping together. The result is a free-flowing frozen product that can be taken out in exact portions.<\/pee><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --><\/p>\n<div class=\"iskg-box iskg-box--green\"><!-- [et_pb_line_break_holder] -->  <span class=\"iskg-box__label\">Advantages for commercial kitchens and foodservice<\/span><!-- [et_pb_line_break_holder] -->  <pee>No clumps, no waste and quick, gentle defrosting: IQF goods can be portioned and costed precisely. In catering with large volumes and long holding times, the starting quality of the raw product sets the tone. More on delivery volumes and pack sizes: <a href=\"https:\/\/iskg.de\/en\/services\/\" target=\"_blank\" rel=\"noopener\">services of I.Schroeder KG<\/a>.<\/pee><!-- [et_pb_line_break_holder] --><\/div>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --><\/p>\n<h3>How J\u00fctro Tiefk\u00fchlkost applies the process<\/h3>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --><\/p>\n<div class=\"iskg-box iskg-box--navy\"><!-- [et_pb_line_break_holder] -->  <span class=\"iskg-box__label\">J\u00fctro Tiefk\u00fchlkost GmbH &#038; Co. KG, Jessen<\/span><!-- [et_pb_line_break_holder] -->  <pee>Founded in 1991, J\u00fctro processes fruit and vegetables as well as frozen ready meals to a modern IQF standard. The <a href=\"https:\/\/iskg.de\/en\/frozen-foods\/\" target=\"_blank\" rel=\"noopener\">complete frozen range of I.Schroeder KG<\/a> is available to grocery retail and foodservice all year round. The whole sequence, from raw product to sealed pack, is designed to keep the time between harvest and freezing plant as short as possible. No condensation on the surface and no freezer burn: both are direct results of the rapid IQF cooling process.<\/pee><!-- [et_pb_line_break_holder] --><\/div>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --><\/p>\n<h3>The two processes compared<\/h3>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --><\/p>\n<div class=\"iskg-compare\"><!-- [et_pb_line_break_holder] -->  <\/p>\n<div class=\"iskg-compare__col iskg-compare__col--iqf\"><!-- [et_pb_line_break_holder] -->    <\/p>\n<h4>Flash freezing (IQF)<\/h4>\n<p><!-- [et_pb_line_break_holder] -->    <\/p>\n<ul><!-- [et_pb_line_break_holder] -->      <\/p>\n<li>Core temperature \u221218 \u00b0C to \u221240 \u00b0C within minutes<\/li>\n<p><!-- [et_pb_line_break_holder] -->      <\/p>\n<li>Microscopically small ice crystals<\/li>\n<p><!-- [et_pb_line_break_holder] -->      <\/p>\n<li>Intact cell structure<\/li>\n<p><!-- [et_pb_line_break_holder] -->      <\/p>\n<li>Crisp consistency after defrosting<\/li>\n<p><!-- [et_pb_line_break_holder] -->      <\/p>\n<li>No freezer burn<\/li>\n<p><!-- [et_pb_line_break_holder] -->    <\/ul>\n<p><!-- [et_pb_line_break_holder] -->  <\/div>\n<p><!-- [et_pb_line_break_holder] -->  <\/p>\n<div class=\"iskg-compare__col iskg-compare__col--konv\"><!-- [et_pb_line_break_holder] -->    <\/p>\n<h4>Conventional freezing<\/h4>\n<p><!-- [et_pb_line_break_holder] -->    <\/p>\n<ul><!-- [et_pb_line_break_holder] -->      <\/p>\n<li>Cooling over several hours<\/li>\n<p><!-- [et_pb_line_break_holder] -->      <\/p>\n<li>Large ice crystals form<\/li>\n<p><!-- [et_pb_line_break_holder] -->      <\/p>\n<li>Damage to cell membranes<\/li>\n<p><!-- [et_pb_line_break_holder] -->      <\/p>\n<li>Softer texture after defrosting<\/li>\n<p><!-- [et_pb_line_break_holder] -->      <\/p>\n<li>Rising risk of freezer burn<\/li>\n<p><!-- [et_pb_line_break_holder] -->    <\/ul>\n<p><!-- [et_pb_line_break_holder] -->  <\/div>\n<p><!-- [et_pb_line_break_holder] --><\/div>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --><\/p>\n<h2>Nutritional values: what the science says<\/h2>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --><\/p>\n<h3>The supply chain makes the difference<\/h3>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --><pee>Fresh against frozen is only a fair comparison when the entire supply chain is taken into account. The <a href=\"https:\/\/www.bfr.bund.de\" target=\"_blank\" rel=\"noopener\">German Federal Institute for Risk Assessment (BfR)<\/a> points out that nutrient levels in fresh goods fall continuously through transport, storage and exposure to light. Vitamin C and B vitamins break down noticeably within days at room temperature.<\/pee><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --><\/p>\n<div class=\"iskg-box iskg-box--green\"><!-- [et_pb_line_break_holder] -->  <span class=\"iskg-box__label\">Scientific finding<\/span><!-- [et_pb_line_break_holder] -->  <pee>Flash frozen vegetables processed within hours of harvesting can show a <strong>higher vitamin content<\/strong> than fresh goods that have been in the shops for two to four days. The <a href=\"https:\/\/www.dge.de\" target=\"_blank\" rel=\"noopener\">German Nutrition Society (DGE)<\/a> also confirms that frozen products stored correctly are largely equivalent in nutritional value to freshly processed goods. Our quality standards are independently certified. There is more on this under <a href=\"https:\/\/iskg.de\/en\/sustainability-certification\/\" target=\"_blank\" rel=\"noopener\">certifications and social responsibility<\/a>.<\/pee><!-- [et_pb_line_break_holder] --><\/div>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --><\/p>\n<h3>Sensory quality: consistency after heating<\/h3>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --><\/p>\n<div class=\"iskg-box iskg-box--orange\"><!-- [et_pb_line_break_holder] -->  <span class=\"iskg-box__label\">Relevant for commercial kitchens<\/span><!-- [et_pb_line_break_holder] -->  <pee>IQF vegetables from industrial flash freezing show a noticeably <strong>crisper consistency<\/strong> after heating than conventionally frozen goods, a direct result of the preserved cell structure. With large volumes and long holding times, the starting quality of the raw product sets the tone.<\/pee><!-- [et_pb_line_break_holder] --><\/div>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --><\/p>\n<h2>Frequently asked questions<\/h2>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --><\/p>\n<div class=\"iskg-faq\"><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  <\/p>\n<div class=\"iskg-faq__item\"><!-- [et_pb_line_break_holder] -->    <button class=\"iskg-faq__trigger\" aria-expanded=\"false\" onclick=\"iskgToggle(this)\"><!-- [et_pb_line_break_holder] -->      Does flash freezing retain more vitamins than buying fresh?<!-- [et_pb_line_break_holder] -->      <span class=\"iskg-faq__icon\">+<\/span><!-- [et_pb_line_break_holder] -->    <\/button><!-- [et_pb_line_break_holder] -->    <\/p>\n<div class=\"iskg-faq__body\"><!-- [et_pb_line_break_holder] -->      <\/p>\n<div class=\"iskg-faq__body-inner\"><!-- [et_pb_line_break_holder] -->        Yes. Vegetables flash frozen straight after harvesting can contain more vitamins than fresh goods that have been in transit or on the shelf for two to four days. Vitamin C breaks down quickly at room temperature but stays largely stable in the frozen state. The <a href=\"https:\/\/www.bfr.bund.de\" target=\"_blank\" rel=\"noopener\">BfR<\/a> has documented this vitamin loss in stored fresh produce.<!-- [et_pb_line_break_holder] -->      <\/div>\n<p><!-- [et_pb_line_break_holder] -->    <\/div>\n<p><!-- [et_pb_line_break_holder] -->  <\/div>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  <\/p>\n<div class=\"iskg-faq__item\"><!-- [et_pb_line_break_holder] -->    <button class=\"iskg-faq__trigger\" aria-expanded=\"false\" onclick=\"iskgToggle(this)\"><!-- [et_pb_line_break_holder] -->      What does IQF mean?<!-- [et_pb_line_break_holder] -->      <span class=\"iskg-faq__icon\">+<\/span><!-- [et_pb_line_break_holder] -->    <\/button><!-- [et_pb_line_break_holder] -->    <\/p>\n<div class=\"iskg-faq__body\"><!-- [et_pb_line_break_holder] -->      <\/p>\n<div class=\"iskg-faq__body-inner\"><!-- [et_pb_line_break_holder] -->        IQF stands for <strong>Individually Quick Frozen<\/strong>. Each piece of vegetable or fruit passes through the freezing process separately, without clumping together. That allows portion-accurate use and prevents freezer burn. Industrial processes reach a core temperature of at least \u221218 \u00b0C, often \u221230 to \u221240 \u00b0C.<!-- [et_pb_line_break_holder] -->      <\/div>\n<p><!-- [et_pb_line_break_holder] -->    <\/div>\n<p><!-- [et_pb_line_break_holder] -->  <\/div>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  <\/p>\n<div class=\"iskg-faq__item\"><!-- [et_pb_line_break_holder] -->    <button class=\"iskg-faq__trigger\" aria-expanded=\"false\" onclick=\"iskgToggle(this)\"><!-- [et_pb_line_break_holder] -->      At what temperature does flash freezing work?<!-- [et_pb_line_break_holder] -->      <span class=\"iskg-faq__icon\">+<\/span><!-- [et_pb_line_break_holder] -->    <\/button><!-- [et_pb_line_break_holder] -->    <\/p>\n<div class=\"iskg-faq__body\"><!-- [et_pb_line_break_holder] -->      <\/p>\n<div class=\"iskg-faq__body-inner\"><!-- [et_pb_line_break_holder] -->        The core temperature has to reach at least \u221218 \u00b0C. Industrial flash freezing plants such as the one at J\u00fctro Tiefk\u00fchlkost target \u221230 to \u221240 \u00b0C. What matters is passing through the maximum ice crystal zone between \u22121 \u00b0C and \u22125 \u00b0C as quickly as possible, because that is exactly where the cell damage occurs. Questions about the range? <a href=\"https:\/\/iskg.de\/en\/contact\/\" target=\"_blank\" rel=\"noopener\">Talk to us directly.<\/a><!-- [et_pb_line_break_holder] -->      <\/div>\n<p><!-- [et_pb_line_break_holder] -->    <\/div>\n<p><!-- [et_pb_line_break_holder] -->  <\/div>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --><\/div>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --><script><!-- [et_pb_line_break_holder] -->function iskgToggle(btn) {<!-- [et_pb_line_break_holder] -->  var expanded = btn.getAttribute('aria-expanded') === 'true';<!-- [et_pb_line_break_holder] -->  document.querySelectorAll('.iskg-faq__trigger').forEach(function(b) {<!-- [et_pb_line_break_holder] -->    b.setAttribute('aria-expanded', 'false');<!-- [et_pb_line_break_holder] -->    b.nextElementSibling.classList.remove('is-open');<!-- [et_pb_line_break_holder] -->  });<!-- [et_pb_line_break_holder] -->  if (!expanded) {<!-- [et_pb_line_break_holder] -->    btn.setAttribute('aria-expanded', 'true');<!-- [et_pb_line_break_holder] -->    btn.nextElementSibling.classList.add('is-open');<!-- [et_pb_line_break_holder] -->  }<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] --><\/script>[\/et_pb_code][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=&#8221;4.27.6&#8243; _module_preset=&#8221;default&#8221; width=&#8221;100%&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.27.6&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_code _builder_version=&#8221;4.27.6&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550<!-- [et_pb_line_break_holder] -->     AUTHOR BOX + PERSON SCHEMA<!-- [et_pb_line_break_holder] -->     \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 &#8211;><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --><script type=\"application\/ld+json\"><!-- [et_pb_line_break_holder] -->{<!-- [et_pb_line_break_holder] -->  \"@context\": \"https:\/\/schema.org\",<!-- [et_pb_line_break_holder] -->  \"@type\": \"Person\",<!-- [et_pb_line_break_holder] -->  \"name\": \"Lars Br\u00fcndel\",<!-- [et_pb_line_break_holder] -->  \"jobTitle\": \"Expert in food trading and frozen food\",<!-- [et_pb_line_break_holder] -->  \"description\": \"Lars Br\u00fcndel is an expert in food trading, frozen logistics and international sourcing at I.Schroeder KG in Hamburg. With many years of experience in IQF production, supply chain management and product quality, he writes about processing standards, nutrient retention and production processes in the frozen segment.\",<!-- [et_pb_line_break_holder] -->  \"worksFor\": {<!-- [et_pb_line_break_holder] -->    \"@type\": \"Organization\",<!-- [et_pb_line_break_holder] -->    \"name\": \"I.Schroeder KG\",<!-- [et_pb_line_break_holder] -->    \"url\": \"https:\/\/iskg.de\/en\/\",<!-- [et_pb_line_break_holder] -->    \"address\": {<!-- [et_pb_line_break_holder] -->      \"@type\": \"PostalAddress\",<!-- [et_pb_line_break_holder] -->      \"streetAddress\": \"Am Sandtorkai 37\",<!-- [et_pb_line_break_holder] -->      \"postalCode\": \"20457\",<!-- [et_pb_line_break_holder] -->      \"addressLocality\": \"Hamburg\",<!-- [et_pb_line_break_holder] -->      \"addressCountry\": \"DE\"<!-- [et_pb_line_break_holder] -->    }<!-- [et_pb_line_break_holder] -->  },<!-- [et_pb_line_break_holder] -->  \"knowsAbout\": [<!-- 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\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500 *\/<!-- [et_pb_line_break_holder] -->  @media (max-width: 640px) {<!-- [et_pb_line_break_holder] -->    .iskg-author {<!-- [et_pb_line_break_holder] -->      flex-direction: column;<!-- [et_pb_line_break_holder] -->      align-items: flex-start;<!-- [et_pb_line_break_holder] -->      gap: 16px;<!-- [et_pb_line_break_holder] -->      padding: 22px 18px; <!-- [et_pb_line_break_holder] -->      margin: 36px  0  0;<!-- [et_pb_line_break_holder] -->    }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->    .iskg-author__image {<!-- [et_pb_line_break_holder] -->      width: 68px;<!-- [et_pb_line_break_holder] -->      height: 68px;<!-- [et_pb_line_break_holder] -->      margin-top: 0;<!-- [et_pb_line_break_holder] -->margin-left:20px;<!-- [et_pb_line_break_holder] -->      transform: scale(1.62);<!-- [et_pb_line_break_holder] -->      transform-origin: center 20%;<!-- [et_pb_line_break_holder] -->    }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->    .iskg-author__name {<!-- [et_pb_line_break_holder] -->      font-size: 17px;<!-- [et_pb_line_break_holder] -->    }<!-- [et_pb_line_break_holder] -->    <!-- [et_pb_line_break_holder] -->    <!-- [et_pb_line_break_holder] -->    .iskg-author__content {<!-- [et_pb_line_break_holder] -->     margin-top:30px;<!-- [et_pb_line_break_holder] -->      padding-left: 0;<!-- [et_pb_line_break_holder] -->    }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->    .iskg-author__role {<!-- [et_pb_line_break_holder] -->      font-size: 12.5px;<!-- [et_pb_line_break_holder] -->      margin-bottom: 10px;<!-- [et_pb_line_break_holder] -->    }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->    .iskg-author__bio {<!-- [et_pb_line_break_holder] -->      font-size: 13.5px;<!-- [et_pb_line_break_holder] -->      line-height: 1.65;<!-- [et_pb_line_break_holder] -->    }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->    .iskg-author__linkedin {<!-- [et_pb_line_break_holder] -->      width: 100%;<!-- [et_pb_line_break_holder] -->      justify-content: center;<!-- [et_pb_line_break_holder] -->      padding: 10px 16px;<!-- [et_pb_line_break_holder] -->      font-size: 13.5px;<!-- [et_pb_line_break_holder] -->    }<!-- [et_pb_line_break_holder] -->  }<!-- [et_pb_line_break_holder] --><\/style>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --><div<!-- [et_pb_line_break_holder] -->  class=&#8221;iskg-author&#8221;<!-- [et_pb_line_break_holder] -->  itemscope<!-- [et_pb_line_break_holder] -->  itemtype=&#8221;https:\/\/schema.org\/Person&#8221;<!-- [et_pb_line_break_holder] -->><!-- [et_pb_line_break_holder] -->  <img<!-- [et_pb_line_break_holder] -->    class=&#8221;iskg-author__image&#8221;<!-- [et_pb_line_break_holder] -->    src=&#8221;https:\/\/iskg.de\/wp-content\/uploads\/2024\/09\/Lars-ISKG-1.jpg&#8221;<!-- [et_pb_line_break_holder] -->    alt=&#8221;Lars Br\u00fcndel, expert in frozen food and food trading at I.Schroeder KG&#8221;<!-- [et_pb_line_break_holder] -->    width=&#8221;100&#8243;<!-- [et_pb_line_break_holder] -->    height=&#8221;100&#8243;<!-- [et_pb_line_break_holder] -->    itemprop=&#8221;image&#8221;<!-- [et_pb_line_break_holder] -->    loading=&#8221;lazy&#8221;<!-- [et_pb_line_break_holder] -->    decoding=&#8221;async&#8221;<!-- [et_pb_line_break_holder] -->  \/><!-- [et_pb_line_break_holder] -->  <\/p>\n<div class=\"iskg-author__content\"><!-- [et_pb_line_break_holder] -->    <span class=\"iskg-author__label\">About the author<\/span><!-- [et_pb_line_break_holder] -->    <\/p>\n<h4 class=\"iskg-author__name\" itemprop=\"name\">Lars Br\u00fcndel<\/h4>\n<p><!-- [et_pb_line_break_holder] -->    <pee class=\"iskg-author__role\" itemprop=\"jobTitle\">Expert in food trading &#038; frozen food, I.Schroeder KG, Hamburg<\/pee><!-- [et_pb_line_break_holder] -->    <div<!-- [et_pb_line_break_holder] -->      class=&#8221;iskg-author__bio&#8221;<!-- [et_pb_line_break_holder] -->      itemprop=&#8221;description&#8221;<!-- [et_pb_line_break_holder] -->    ><!-- [et_pb_line_break_holder] -->      <pee>Lars Br\u00fcndel is an expert in food trading, frozen logistics and international sourcing at <span itemprop=\"worksFor\" itemscope itemtype=\"https:\/\/schema.org\/Organization\"><a href=\"https:\/\/iskg.de\/en\/\" itemprop=\"url\"><span itemprop=\"name\">I.Schroeder KG<\/span><\/a><\/span> in Hamburg, one of the leading European suppliers of preserved and frozen products for grocery retail, discount and foodservice.<\/pee><!-- [et_pb_line_break_holder] -->      <pee>With many years of experience in IQF production, supply chain management and product quality, he writes about the topics that genuinely count in the sector: processing standards, nutrient retention, production processes and the question of what quality actually means in the frozen segment.<\/pee><!-- [et_pb_line_break_holder] -->    <!-- [et_pb_line_break_holder] -->    <\/div>\n<p><!-- [et_pb_line_break_holder] -->    <a<!-- [et_pb_line_break_holder] -->      class=&#8221;iskg-author__linkedin&#8221;<!-- [et_pb_line_break_holder] -->      href=&#8221;https:\/\/www.linkedin.com\/in\/lars-br%C3%BCndel-096099175\/&#8221;<!-- [et_pb_line_break_holder] -->      target=&#8221;_blank&#8221;<!-- [et_pb_line_break_holder] -->      rel=&#8221;noopener&#8221;<!-- [et_pb_line_break_holder] -->      aria-label=&#8221;Lars Br\u00fcndel on LinkedIn&#8221;<!-- [et_pb_line_break_holder] -->      itemprop=&#8221;sameAs&#8221;<!-- [et_pb_line_break_holder] -->    ><!-- [et_pb_line_break_holder] -->      <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 24 24\" aria-hidden=\"true\"><!-- [et_pb_line_break_holder] -->        <path d=\"M20.447 20.452h-3.554v-5.569c0-1.328-.027-3.037-1.852-3.037-1.853 0-2.136 1.445-2.136 2.939v5.667H9.351V9h3.414v1.561h.046c.477-.9 1.637-1.85 3.37-1.85 3.601 0 4.267 2.37 4.267 5.455v6.286zM5.337 7.433a2.062 2.062 0 0 1-2.063-2.065 2.064 2.064 0 1 1 2.063 2.065zm1.782 13.019H3.555V9h3.564v11.452zM22.225 0H1.771C.792 0 0 .774 0 1.729v20.542C0 23.227.792 24 1.771 24h20.451C23.2 24 24 23.227 24 22.271V1.729C24 .774 23.2 0 22.222 0h.003z\"\/><!-- [et_pb_line_break_holder] -->      <\/svg><!-- [et_pb_line_break_holder] -->      LinkedIn profile<!-- [et_pb_line_break_holder] -->    <\/a><!-- [et_pb_line_break_holder] -->  <\/div>\n<p><!-- [et_pb_line_break_holder] --><\/div>\n<p>[\/et_pb_code][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=&#8221;1_2,1_2&#8243; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;09cfcf10-fef8-4a1a-b9aa-d2d2d7243938&#8243; custom_margin=&#8221;||||false|false&#8221; custom_padding=&#8221;0px||||false|false&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;1_2&#8243; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_text _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p><b><i>Here are our contact details at a glance:<\/i><\/b><\/p>\n<p><i>I.Schroeder KG. (GmbH &amp; Co)<\/i><\/p>\n<p><i>Am Sandtorkai 37<\/i><br \/><i>D-20457 Hamburg<\/i><br \/><i>P.O.Box 11 03 33<\/i><\/p>\n<p><i>D-20403 Hamburg<\/i><br \/><i>Tel.: +49 (0)40\/3 76 74-0<\/i><br \/><i>Fax: +49 (0)40\/3 76 74-100<\/i><br \/><i>schroeder@iskg.de<\/i><\/p>\n<p>[\/et_pb_text][\/et_pb_column][et_pb_column type=&#8221;1_2&#8243; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Freezing speed decides quality and nutrient content. How the IQF process freezes vegetables while protecting the cells, and why it beats conventional freezing.<\/p>\n","protected":false},"author":21,"featured_media":72303,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[60],"tags":[],"class_list":["post-73095","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"_links":{"self":[{"href":"https:\/\/iskg.de\/en\/wp-json\/wp\/v2\/posts\/73095","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/iskg.de\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/iskg.de\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/iskg.de\/en\/wp-json\/wp\/v2\/users\/21"}],"replies":[{"embeddable":true,"href":"https:\/\/iskg.de\/en\/wp-json\/wp\/v2\/comments?post=73095"}],"version-history":[{"count":2,"href":"https:\/\/iskg.de\/en\/wp-json\/wp\/v2\/posts\/73095\/revisions"}],"predecessor-version":[{"id":73115,"href":"https:\/\/iskg.de\/en\/wp-json\/wp\/v2\/posts\/73095\/revisions\/73115"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/iskg.de\/en\/wp-json\/wp\/v2\/media\/72303"}],"wp:attachment":[{"href":"https:\/\/iskg.de\/en\/wp-json\/wp\/v2\/media?parent=73095"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/iskg.de\/en\/wp-json\/wp\/v2\/categories?post=73095"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/iskg.de\/en\/wp-json\/wp\/v2\/tags?post=73095"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}