{"id":1834,"date":"2026-10-10T15:18:41","date_gmt":"2026-10-10T07:18:41","guid":{"rendered":"https:\/\/uredanaturals.com\/?post_type=product&#038;p=1834"},"modified":"2026-10-10T15:18:42","modified_gmt":"2026-10-10T07:18:42","slug":"cod-collagen-peptides","status":"publish","type":"product","link":"https:\/\/uredanaturals.com\/es\/producto\/cod-collagen-peptides\/","title":{"rendered":"Cod Collagen Peptides"},"content":{"rendered":"<p>Cod Collagen Peptides are produced from traceable deep-sea cod skin through enzymatic hydrolysis, refining, concentration and spray drying. The result is a hydrolyzed collagen ingredient available as powder or granules for beverage, food and dietary supplement formulation. Its specification defines both protein content and the proportion of peptide fractions below 10,000 Da, giving formulators two distinct measures for ingredient qualification.<\/p>\n<h2>Cod Skin Source and Ingredient Identity<\/h2>\n<p>Unlike the broad label \u201cmarine collagen,\u201d Cod Collagen Peptides identify both the fish source and the raw-material part: cod skin. Cod skin collagen is predominantly Type I collagen and has a characteristic amino-acid profile that includes glycine, proline and hydroxyproline.<\/p>\n<p>Hydroxyproline is useful as a collagen-composition indicator, but it should not be treated as a standalone proof of species or source. For supplier qualification, assess it alongside the cod-skin origin and traceability documents, protein content, peptide-size specification and the applicable analytical methods.<\/p>\n<p>Hydrolyzed collagen peptides are not selected for the gel strength associated with gelatin. If a formulation depends on gel formation or structural setting, Cod Collagen Peptides should not be treated as a gram-for-gram gelatin replacement without separate functional testing.<\/p>\n<h2>Product Specifications and Test Methods<\/h2>\n<table>\n<thead>\n<tr>\n<th scope=\"col\">Test Item<\/th>\n<th scope=\"col\">Specification<\/th>\n<th scope=\"col\">Test Method<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Appearance<\/td>\n<td>Powder or granules; no visible foreign matter<\/td>\n<td>In-house method<\/td>\n<\/tr>\n<tr>\n<td>Color<\/td>\n<td>White or yellowish<\/td>\n<td>In-house method<\/td>\n<\/tr>\n<tr>\n<td>Peptide fraction below 10,000 Da<\/td>\n<td>\u226590.0%<\/td>\n<td>GB 31645<\/td>\n<\/tr>\n<tr>\n<td>Protein (dry basis)<\/td>\n<td>\u226590.0%<\/td>\n<td>GB 5009.5<\/td>\n<\/tr>\n<tr>\n<td>Hydroxyproline (dry basis)<\/td>\n<td>\u22657.0%<\/td>\n<td>GB\/T 9695.23<\/td>\n<\/tr>\n<tr>\n<td>Moisture<\/td>\n<td>\u22647.0%<\/td>\n<td>GB 5009.3<\/td>\n<\/tr>\n<tr>\n<td>Ash<\/td>\n<td>\u22647.0%<\/td>\n<td>GB 5009.4<\/td>\n<\/tr>\n<tr>\n<td>Arsenic<\/td>\n<td>\u22640.9 mg\/kg<\/td>\n<td>GB 5009.11<\/td>\n<\/tr>\n<tr>\n<td>Lead<\/td>\n<td>\u22641.0 mg\/kg<\/td>\n<td>GB 5009.12<\/td>\n<\/tr>\n<tr>\n<td>Cadmium<\/td>\n<td>\u22640.1 mg\/kg<\/td>\n<td>GB 5009.15<\/td>\n<\/tr>\n<tr>\n<td>Methylmercury<\/td>\n<td>\u22640.1 mg\/kg<\/td>\n<td>GB 5009.17<\/td>\n<\/tr>\n<tr>\n<td>Chromium<\/td>\n<td>\u22642.0 mg\/kg<\/td>\n<td>GB 5009.123<\/td>\n<\/tr>\n<tr>\n<td>Total plate count<\/td>\n<td>\u22641,000 CFU\/g<\/td>\n<td>GB 4789.2<\/td>\n<\/tr>\n<tr>\n<td>Coliforms<\/td>\n<td>Not detected<\/td>\n<td>GB 4789.3<\/td>\n<\/tr>\n<tr>\n<td>Mould and yeast<\/td>\n<td>\u226450 CFU\/g<\/td>\n<td>GB 4789.15<\/td>\n<\/tr>\n<tr>\n<td>Staphylococcus aureus<\/td>\n<td>Not detected<\/td>\n<td>GB 4789.10<\/td>\n<\/tr>\n<tr>\n<td>Salmonella<\/td>\n<td>Not detected<\/td>\n<td>GB 4789.4<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>How to Interpret the Key Specifications<\/h2>\n<h3>Protein and hydroxyproline<\/h3>\n<p>Protein is reported on a dry basis so the result is not directly diluted by the moisture level in the sample. Hydroxyproline adds a collagen-related compositional measure. The two values answer different questions: protein describes the overall protein content on the stated basis, while hydroxyproline helps assess the collagen-characteristic amino-acid profile.<\/p>\n<h3>Peptide fraction below 10,000 Da<\/h3>\n<p>The \u226590.0% specification describes the proportion of measured peptide material below the stated molecular-mass threshold. It is not the same as an average molecular weight, a peak molecular weight or a specific collagen-tripeptide (CTP) content. When comparing supplier data, align the measurement definition and method before treating two percentages as equivalent.<\/p>\n<p>Peptide-size distribution can inform ingredient selection, but it does not by itself predict taste, dissolution speed or clarity in a finished product. Those outcomes also depend on the formulation and processing conditions.<\/p>\n<h3>Moisture, ash and contaminant limits<\/h3>\n<p>Moisture is relevant to powder storage and handling: changes in moisture can affect caking and flow during weighing or feeding. Ash provides an indication of inorganic residue and can matter when the finished formula has limits on taste, mineral load or total solids. Heavy-metal and microbiological limits support raw-material qualification, but they do not replace the finished product\u2019s own quality and release requirements.<\/p>\n<h2>Processing Controls That Shape the Ingredient<\/h2>\n<h3>Raw-material condition and pretreatment<\/h3>\n<p>Cod skin supplies the collagen, while its condition at receipt sets the starting point for odor, color and purification. Inadequate control of storage time or temperature can allow raw-material deterioration or lipid oxidation to affect sensory quality. Residual lipid, non-collagen material and inorganic matter can also increase the refining burden or influence color and ash.<\/p>\n<p>Pretreatment therefore has to balance removal of unwanted material with recovery of the collagen-rich fraction. The objective is not simply to maximize cleaning intensity: excessive processing can reduce target-material recovery, while insufficient pretreatment can carry avoidable odor, color or residue into hydrolysis.<\/p>\n<h3>Enzymatic hydrolysis and peptide distribution<\/h3>\n<p>Hydrolysis converts longer collagen chains into shorter peptides. Enzyme selection, reaction pH, temperature, substrate concentration and time are process variables that determine the hydrolysis endpoint and resulting peptide distribution. If hydrolysis is insufficient, more higher-molecular-mass material may remain; stronger hydrolysis can increase the proportion of smaller peptides but may also change bitterness and moisture sensitivity.<\/p>\n<p>For this reason, peptide distribution should be controlled against the defined specification rather than inferred from the word \u201chydrolyzed.\u201d The analytical result and sensory performance are separate checks: meeting a molecular-mass limit does not, on its own, establish the flavor profile required by a finished beverage or supplement.<\/p>\n<h3>Refining, concentration and drying<\/h3>\n<p>After hydrolysis, separation and refining help remove residual material that can affect color, odor or ash. Concentration and spray drying then convert the liquid peptide stream into a powder. Moisture and powder handling characteristics are influenced by drying and subsequent powder processing, so the final material should be assessed in the form and equipment used by the customer.<\/p>\n<p>\u201cWater-soluble\u201d and \u201cfast to disperse under production conditions\u201d are not interchangeable descriptions. A powder may dissolve in water yet still require a controlled wetting and mixing sequence in a high-solids or multi-ingredient formula.<\/p>\n<h2>Choosing Powder or Granules<\/h2>\n<table>\n<thead>\n<tr>\n<th scope=\"col\">Form<\/th>\n<th scope=\"col\">Typical formulation consideration<\/th>\n<th scope=\"col\">What to verify on the production line<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Powder<\/td>\n<td>Suitable for preblending with other dry ingredients and for powder-based formulations.<\/td>\n<td>Compare particle size and bulk density with the other blend components; check flow, dusting and blend uniformity.<\/td>\n<\/tr>\n<tr>\n<td>Granules<\/td>\n<td>May be preferred where feeding, metering or powder-dust control is a priority.<\/td>\n<td>Confirm granule size, bulk density, wetting and feeding behavior on the intended equipment; these properties should not be assumed from the word \u201cgranules\u201d alone.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>The form should be selected against the customer\u2019s mixer, feeder and filling process. A material that handles well on a bench may behave differently when conveyed or metered at production scale, particularly if its particle-size distribution or bulk density differs from the rest of the blend.<\/p>\n<h2>Downstream Formulation Considerations<\/h2>\n<h3>Beverages and liquid formulations<\/h3>\n<p>Water solubility is a useful starting property, not a guarantee of a clear or stable finished beverage. Acids, mineral salts, proteins, hydrocolloids, plant ingredients, flavor systems and total solids can change the appearance or dispersion of the complete matrix. Heat treatment and storage can reveal changes that are not visible immediately after mixing.<\/p>\n<p>A practical screening sequence is to compare the ingredient in process water with the complete formula at the intended use level. Observe wetting and dispersion first, then check turbidity or clarity, sedimentation, re-dispersibility, color and odor after the planned thermal process and during storage. This helps distinguish an initial hydration issue from an interaction that appears only after other ingredients or processing steps are introduced.<\/p>\n<h3>Powder blends and sachets<\/h3>\n<p>For instant powders and sachets, particle-size and bulk-density differences between Cod Collagen Peptides and the other ingredients can contribute to segregation during blending, transfer or filling. Review the blend after the actual handling route, not only at the mixer outlet. Sampling at the beginning, middle and end of a filling run can show whether the ingredient remains uniformly distributed through the process.<\/p>\n<h3>Capsules and tablets<\/h3>\n<p>For capsules, the relevant questions include powder flow, feeder consistency and fill-weight variation at the planned machine speed. For tablets, confirm how the selected grade behaves in the complete formula during compression, then assess hardness, friability and disintegration against the product\u2019s requirements. These are formulation and line-performance checks; they should not be inferred from protein content or peptide-size distribution alone.<\/p>\n<h3>Gummies, nutrition bars and other foods<\/h3>\n<p>Gummies and cooked food systems expose peptides to concentrated solids, acidity and heat. Evaluate color, flavor and texture after the actual cooking or heating step and through the intended storage period. In nutrition bars, moisture migration and interactions with sugars, polyols, fats, fibers and other proteins can affect firmness or stickiness over time, so the finished matrix\u2014not the ingredient in isolation\u2014is the appropriate basis for selection.<\/p>\n<h2>Supply, Storage and Quality Documentation<\/h2>\n<ul>\n<li><strong>MOQ:<\/strong> 1 kg<\/li>\n<li><strong>Standard packaging:<\/strong> 10 kg\/bag or 20 kg\/bag<\/li>\n<li><strong>Storage:<\/strong> Keep sealed in a cool, dry place. Protect from heat, moisture and direct sunlight, and store away from strongly odorous materials.<\/li>\n<li><strong>Shelf life:<\/strong> 24 months<\/li>\n<li><strong>Product documents:<\/strong> Lot-specific COA, TDS, SDS, cod-skin origin and traceability information, fish-allergen statement and process description.<\/li>\n<li><strong>Quality and certification documents:<\/strong> Applicable GMP, FSSC 22000, ISO 9001, HACCP, Halal and Kosher documentation for supplier and market qualification.<\/li>\n<\/ul>\n<h2>Frequently Asked Questions<\/h2>\n<div class=\"product-faq\">\n<details>\n<summary>Does \u201c\u226590% of peptides below 10,000 Da\u201d mean the average molecular weight is below 10,000 Da?<\/summary>\n<div>\n<p>No. It is a fraction-based specification: it reports the proportion of measured peptide material below the stated threshold. An average or peak molecular-weight value describes a different metric. Compare the analytical definition and method\u2014GB 31645 for this specification\u2014before comparing figures from different suppliers.<\/p>\n<\/div>\n<\/details>\n<details>\n<summary>Is Cod Collagen Peptides equivalent to collagen tripeptide?<\/summary>\n<div>\n<p>Not on the basis of this specification alone. A \u226590.0% fraction below 10,000 Da does not establish a particular collagen-tripeptide percentage or a GPH peptide content. If a formulation depends on those specific fractions, request the corresponding measurement and compare it separately.<\/p>\n<\/div>\n<\/details>\n<details>\n<summary>Does water solubility guarantee a clear finished beverage?<\/summary>\n<div>\n<p>No. Clarity depends on the complete beverage matrix and process, not only on the ingredient\u2019s behavior in water. Compare the ingredient in the intended formula at the target use level, then evaluate it after the actual heat treatment and during storage for turbidity, sedimentation, re-dispersibility, color and odor.<\/p>\n<\/div>\n<\/details>\n<details>\n<summary>Can Cod Collagen Peptides replace bovine or another fish collagen peptide gram for gram?<\/summary>\n<div>\n<p>Not automatically. Source, protein basis, peptide-size metric, sensory profile and powder-handling properties may differ. Requalify the replacement against the target protein or peptide contribution, allergen and labeling requirements, and the finished product\u2019s processing and sensory criteria rather than relying on equal weight alone.<\/p>\n<\/div>\n<\/details>\n<details>\n<summary>Does enzymatic hydrolysis remove the fish allergen?<\/summary>\n<div>\n<p>Do not treat hydrolysis as proof that fish-allergen labeling is unnecessary. This ingredient is derived from cod skin. Assess the ingredient and manufacturing process against the requirements of the destination market, including cross-contact controls and finished-product labeling.<\/p>\n<\/div>\n<\/details>\n<details>\n<summary>Does the methylmercury specification also represent total mercury?<\/summary>\n<div>\n<p>No. Methylmercury and total mercury are different analytical measures. The listed limit applies to methylmercury under GB 5009.17; it should not be presented as a total-mercury result unless total mercury is separately specified and tested.<\/p>\n<\/div>\n<\/details>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Ureda Naturals manufactures Cod Collagen Peptides from traceable deep-sea cod skin. Available as powder or granules, with \u226590.0% protein on a dry basis and \u226590.0% of peptide fractions below 10,000 Da.<\/p>","protected":false},"featured_media":1835,"template":"","meta":[],"product_brand":[],"product_cat":[28],"product_tag":[118,119,96,121,120],"class_list":["post-1834","product","type-product","status-publish","has-post-thumbnail","product_cat-collagen-peptides-joint-health-ingredients","product_tag-cod-collagen-peptides","product_tag-cod-skin-collagen-peptides","product_tag-collagen-peptide-powder","product_tag-fish-collagen-peptides","product_tag-marine-collagen-peptides","first","instock","shipping-taxable","product-type-simple"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.3 (Yoast SEO v28.6) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Cod Collagen Peptides Manufacturer | Ureda Naturals<\/title>\n<meta name=\"description\" content=\"Ureda Naturals manufactures cod skin collagen peptides with \u226590% protein and \u226590% of peptides below 10,000 Da, in powder or granule form for formulations.\" \/>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Cod Collagen Peptides\" \/>\n<meta property=\"og:description\" content=\"Ureda Naturals manufactures cod skin collagen peptides with \u226590% protein and \u226590% of peptides below 10,000 Da, in powder or granule form for formulations.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/uredanaturals.com\/es\/producto\/cod-collagen-peptides\/\" \/>\n<meta property=\"og:site_name\" content=\"Ureda Naturals\" \/>\n<meta property=\"article:modified_time\" content=\"2026-10-10T07:18:42+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/uredanaturals.com\/wp-content\/uploads\/2026\/10\/ureda-cod-collagen-peptides-hero.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"1536\" \/>\n\t<meta property=\"og:image:height\" content=\"1024\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Tiempo de lectura\" \/>\n\t<meta name=\"twitter:data1\" content=\"10 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/uredanaturals.com\\\/product\\\/cod-collagen-peptides\\\/\",\"url\":\"https:\\\/\\\/uredanaturals.com\\\/product\\\/cod-collagen-peptides\\\/\",\"name\":\"Cod Collagen Peptides Manufacturer | Ureda Naturals\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/uredanaturals.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/uredanaturals.com\\\/product\\\/cod-collagen-peptides\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/uredanaturals.com\\\/product\\\/cod-collagen-peptides\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/uredanaturals.com\\\/wp-content\\\/uploads\\\/2026\\\/10\\\/ureda-cod-collagen-peptides-hero.webp\",\"datePublished\":\"2026-10-10T07:18:41+00:00\",\"dateModified\":\"2026-10-10T07:18:42+00:00\",\"description\":\"Ureda Naturals manufactures cod skin collagen peptides with \u226590% protein and \u226590% of peptides below 10,000 Da, in powder or granule form for formulations.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/uredanaturals.com\\\/product\\\/cod-collagen-peptides\\\/#breadcrumb\"},\"inLanguage\":\"es\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/uredanaturals.com\\\/product\\\/cod-collagen-peptides\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"es\",\"@id\":\"https:\\\/\\\/uredanaturals.com\\\/product\\\/cod-collagen-peptides\\\/#primaryimage\",\"url\":\"https:\\\/\\\/uredanaturals.com\\\/wp-content\\\/uploads\\\/2026\\\/10\\\/ureda-cod-collagen-peptides-hero.webp\",\"contentUrl\":\"https:\\\/\\\/uredanaturals.com\\\/wp-content\\\/uploads\\\/2026\\\/10\\\/ureda-cod-collagen-peptides-hero.webp\",\"width\":1536,\"height\":1024,\"caption\":\"Fine pale powder beside a cod in a blue-green marine scene\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/uredanaturals.com\\\/product\\\/cod-collagen-peptides\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\\\/\\\/uredanaturals.com\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Products\",\"item\":\"https:\\\/\\\/uredanaturals.com\\\/products\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Cod Collagen Peptides\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/uredanaturals.com\\\/#website\",\"url\":\"https:\\\/\\\/uredanaturals.com\\\/\",\"name\":\"Ureda Naturals\",\"description\":\"Botanical &amp; 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