{"id":340,"date":"2026-03-28T09:45:04","date_gmt":"2026-03-28T14:45:04","guid":{"rendered":"https:\/\/tehnologam.com\/en\/?p=340\/"},"modified":"2026-03-28T09:45:04","modified_gmt":"2026-03-28T14:45:04","slug":"shelf-life-of-food-products","status":"publish","type":"post","link":"https:\/\/tehnologam.com\/en\/shelf-life-of-food-products\/","title":{"rendered":"Shelf Life of Food Products"},"content":{"rendered":"<p>The <strong>shelf life of a food product<\/strong> is the period during which the product remains safe and suitable for consumption when stored under the conditions specified by the manufacturer. From a consumer&#8217;s perspective, it is simply the &#8220;best before&#8221; or &#8220;use by&#8221; date printed on the packaging. From a food technologist&#8217;s point of view, however, the concept is considerably more complex.<\/p>\n<h2>Three types of shelf life<\/h2>\n<p>It is useful to distinguish between three related but different concepts:<\/p>\n<ul>\n<li><strong>Actual shelf life<\/strong> \u2014 the real period during which the product retains acceptable quality. This depends on raw material quality, production conditions, and actual storage environment.<\/li>\n<li><strong>Declared shelf life<\/strong> \u2014 the period guaranteed by the manufacturer on the label and quality certificate. It should always be shorter than the actual shelf life to account for possible adverse factors during distribution and storage.<\/li>\n<li><strong>Normative shelf life<\/strong> \u2014 the shelf life specified in the relevant industry standard (such as GOST, DSTU, or TU) under which the product is manufactured. In practice, the declared shelf life usually matches the normative one, because the formal procedure for extending it beyond the standard is lengthy and expensive.<\/li>\n<\/ul>\n<h2>Factors affecting actual shelf life<\/h2>\n<p>The actual shelf life of any food product depends on several key factors:<\/p>\n<ul>\n<li><strong>Raw material quality<\/strong> \u2014 the physicochemical composition, microbiological purity, and freshness of each ingredient. Different batches of the same raw material can vary within \u2014 or sometimes beyond \u2014 acceptable limits.<\/li>\n<li><strong>Production process compliance<\/strong> \u2014 strict adherence to all technological parameters defined in the production instructions and technological maps. These parameters typically have specified tolerances that must not be exceeded.<\/li>\n<li><strong>Storage conditions<\/strong> \u2014 maintaining the recommended temperature, relative humidity, and protection from direct sunlight throughout the entire chain from production to consumption.<\/li>\n<\/ul>\n<p>The more adverse factors a product is exposed to, the shorter its actual shelf life becomes.<\/p>\n<h2>Notes for consumers<\/h2>\n<p>Food products do not suddenly spoil on the day after the date printed on the package. Deterioration is a gradual process influenced by many factors \u2014 the most important ones are usually listed on the label under &#8220;storage conditions.&#8221; Before purchasing a food product, it is wise to check not only the date but also the integrity of the packaging, signs of premature spoilage, and the actual storage conditions in the store. Conversely, discarding food automatically on the day after the printed date \u2014 without inspecting it first \u2014 is not always necessary.<\/p>\n<p>Discover more about <strong>shelf life<\/strong> \u2014 including regulatory requirements, testing methods, and practical tips for food producers \u2014 in the articles below.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The shelf life of a food product is the period during which the product remains safe and suitable for consumption when stored under the conditions specified by the manufacturer. From a consumer&#8217;s perspective, it is simply the &#8220;best before&#8221; or &#8220;use by&#8221; date printed on the packaging. From a food technologist&#8217;s point of view, however,&hellip;&nbsp;<a href=\"https:\/\/tehnologam.com\/en\/shelf-life-of-food-products\/\" rel=\"bookmark\">Read More &raquo;<span class=\"screen-reader-text\">Shelf Life of Food Products<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"off","neve_meta_content_width":70,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":"","footnotes":""},"categories":[26],"tags":[171,172,130],"class_list":["post-340","post","type-post","status-publish","format-standard","hentry","category-handbook","tag-food-industry-terms","tag-food-safety","tag-shelf-life"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Shelf Life of Food Products - Types, Factors &amp; Regulations<\/title>\n<meta name=\"description\" content=\"Shelf life is the period a food product stays safe for consumption. 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