| 摘要 |
A collagen peptide with immune-enhancing activity from Cyanea nozakii, and a preparation method thereof are provided. The collagen peptide contains 80-90 wt % of proteins and 10-20 wt % of sugars, and has an average molecular weight of 1,000-3,000 Dalton. Monosaccharide contained in the collagen peptide are mainly glucose, glycine accounts for 16% or above and the sum of proline and hydroxyproline accounts for 18% or above of amino acids contained therein. The collagen peptide is capable of being used for preparation of medicines, health products, and skincare cosmetics having immune-enhancing function.
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