Fish collagen peptides

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1. Source: They are mainly extracted from fish skin, scales, and bones. Fish such as salmon, tilapia, and cod are common sources. These parts of the fish are rich in collagen, which is the raw material for making fish collagen peptides.
2. Production process: Through a series of processes such as enzymatic hydrolysis, the large collagen molecules in fish are broken down into smaller molecular weight peptides. Enzymes are used to specifically cleave the peptide bonds in collagen, resulting in the formation of fish collagen peptides with relatively uniform molecular weights.
3. Composition and structure: They are composed of amino acids linked together by peptide bonds. Collagen itself is a fibrous protein, and after hydrolysis, the peptides have a more dispersed and smaller structure compared to the original collagen. Different fish collagen peptides may have different amino acid sequences and compositions, which can affect their properties.
4. Properties and functions:
   • High bioavailability: Due to their small molecular size, fish collagen peptides are more easily absorbed by the human body compared to intact collagen. They can be quickly absorbed through the intestinal tract and enter the bloodstream, making them readily available for use by the body's cells.
   • Skin health: They are often associated with promoting skin health. They can help improve skin elasticity and moisture retention, reducing the appearance of wrinkles and fine lines. By stimulating the production of collagen in the skin, fish collagen peptides contribute to maintaining the firmness and smoothness of the skin.
   • Joint support: May play a role in joint health. They can potentially help lubricate joints, reduce joint pain, and support the structure of cartilage. This is beneficial for people with joint problems or those who engage in physical activities that put stress on the joints.
   • Bone health: Contribute to bone health by providing essential amino acids that are involved in bone metabolism. They may help enhance bone density and strength, reducing the risk of osteoporosis.
5. Application: Widely used in the food and beverage industry, such as in the production of functional foods, dietary supplements, and beverages. They are also used in the cosmetics industry for skincare products, and in some cases, in the pharmaceutical industry for health-related applications.

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