| abstract |
An object of this invention is to discover the collagen peptide which is effective in transferring the di or tripepti | peptide which becomes the active body of collagen into blood, and to reduce the required intake amount. According to the present invention, a collagen peptide composition obtained by decomposing collagen or gelatin by a protease, wherein (a) the proportion of hydroxyproline in the amino acid of the second residue from the N terminus of the peptide in the composition is 2 mol% or more and 20 mol It is% or less, The ratio which glycine occupies in amino acid of 3rd residue from N terminal is 20 mol% or more and 50 mol% or less, and (b) Collagen peptide composition characterized by the above average molecular weight 500 or more and 2000 or less. |