Characteristics and production
Hydrolyzed collagen is produced from collagen found in the bones, skin, and connective tissue of animals such as cattle, pigs, horses, and fish. The process of hydrolysis involves breaking down the molecular bonds between individual collagen strands using heat and either acid or alkali solutions.
The hydrolysis process results in reducing the collagen proteins of about 300,000 Dalton (unit) (Da) into small peptides having an average molecular weight between 2000 and 5000 Da.
Amino acid content
The amino acid content of hydrolyzed collagen is the same as collagen. Hydrolyzed collagen contains 20 amino acids, predominantly glycine, proline and hydroxyproline, which together represent around 50% of the total amino acid content. Glycine and proline concentration is 10 to 20 times higher than in other food sources of protein.
http://en.wikipedia.org/wiki/Hydrolyzed_collagen
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