Salmon Nasal Cartilage Extract

Salmon nasal cartilage extract is a cartilage-derived powder with two defined composition limits: glycosaminoglycans (GAGs) at ≥30.0% and protein at ≥30.0% on a dry basis. Ureda Naturals supplies it for supplement and functional-food formulations that call for a salmon cartilage ingredient rather than a conventional fish collagen peptide.

A cartilage matrix ingredient with two separate quality markers

Cartilage contains a matrix of proteins and glycosaminoglycans. The GAG specification and the dry-basis protein specification describe different parts of the ingredient’s composition; they are not interchangeable measures and should not be added together as a single “active” percentage.

GAG content is not the same as total proteoglycan content. Likewise, a total protein result does not quantify Type II collagen specifically or establish whether a collagen structure is native or undenatured. These distinctions matter when comparing this extract with purified proteoglycan, isolated chondroitin sulfate, or fish collagen peptides.

How it differs from other salmon- and fish-derived ingredients

• Fish collagen peptides are hydrolyzed collagen ingredients commonly selected by protein, hydroxyproline, and molecular-weight profile. They are not equivalent to a cartilage extract specified by GAGs and protein.
• Isolated chondroitin sulfate is a purified glycosaminoglycan. Its assay and composition should not be substituted for the GAG specification of a cartilage-derived matrix.
• High-purity proteoglycan or undenatured Type II collagen complexes are distinct grades that require their own composition and structural specifications. The GAG and protein limits shown here do not make those claims.

For procurement comparisons, align the source tissue, assay definition, analytical basis, and grade before comparing percentages. A matching product name alone does not establish that two materials are compositionally equivalent.

Product specifications

What the two composition limits mean for formulation

Use the GAG result for GAG-based calculations

When a formula is designed around a target GAG contribution, calculate the ingredient charge from the measured GAG result for the supplied lot and use the same analytical basis throughout: ingredient mass = target GAG mass ÷ measured GAG fraction. The ≥30.0% specification is an acceptance limit, not a replacement for the lot’s measured value.

Do not use total protein as a Type II collagen assay

Total protein can include multiple protein fractions in a cartilage-derived ingredient. If a finished-product formula, label, or technical brief requires a specific Type II collagen amount or an undenatured-structure claim, that requirement needs a corresponding product specification and analytical evidence; the total-protein limit alone cannot establish it.

Downstream processing considerations

Capsules, tablets, and dry blends

For dry dosage forms, the GAG assay informs composition calculations, while powder handling determines whether the target amount can be distributed consistently through a production blend. During a pilot, check the actual blend at the intended loading and mixing sequence, then assess blend uniformity, flow, capsule fill-weight variation, or tablet compression and disintegration as applicable. If the ingredient is used at a low inclusion rate, a controlled premix can help distribute it before the full batch blend.

The loss-on-drying limit helps define incoming moisture acceptance, but it does not by itself predict flow or storage behavior in a finished blend. Keep the powder sealed during handling and evaluate the complete premix under the humidity and packaging conditions planned for production.

Powder beverages and liquid systems

Do not assume that a cartilage extract will form a clear, stable solution simply because it can be incorporated into a water-based formula. First compare a water-only dispersion with the complete formulation at the intended concentration. Then add the other ingredients in the planned order and include the real heat treatment and hold time.

This comparison helps distinguish incomplete wetting or dispersion from changes introduced by the finished matrix, such as its acidity, mineral salts, proteins, or other suspended ingredients. Record visible haze, sediment, redispersibility, and appearance after processing and during the intended hold period. The result determines whether the ingredient fits the target format or whether the formula and process need adjustment.

Heat-treated products and structure-related claims

Heat, pH, and processing time can affect protein-containing ingredients. If a product concept depends on a defined collagen structure, assess that structure with an appropriate product-specific method before and after the actual process. GAG and total-protein values alone do not establish that a native or undenatured structure is retained.

Applications

Salmon nasal cartilage extract can be evaluated for dietary supplements and functional foods, including capsule, tablet, sachet, and powder-beverage concepts. Its suitability depends on the target GAG contribution, dosage form, sensory profile, process conditions, and finished-product specification. It is a source-specific ingredient, not a direct substitute for every fish collagen peptide or isolated chondroitin sulfate.

Quality, supply, and documentation

• MOQ: 1 kg
• Standard packing: 10 kg/bag or 20 kg/bag
• Storage: Keep sealed in a cool, dry place; protect from heat, moisture, and direct sunlight.
• Shelf life: 24 months under the stated storage conditions.
• Allergen: Fish (salmon).
• Product documents: COA, TDS, SDS, source information, and fish-allergen documentation.
• Quality-system and certification documents: Available as applicable for supplier qualification, including GMP, FSSC 22000, ISO 9001, HACCP, Halal, and Kosher documentation.

Frequently Asked Questions