| 摘要 |
A preparation method of crocodile-skin collagen peptide comprises the following steps: boiling fat-free crocodile skin in a solvent; treating the boiled crocodile skin with a protease to obtain an enzymatic hydrolysate; conducting centrifugal separation on the enzymatic hydrolysate; taking supernate and drying, so as to obtain the crocodile-skin collagen peptide. The crocodile-skin collagen peptide obtained according to the prepartion method can be used as an antioxidant, a humectant, an anti-DNA damage agent, or a whitening additive in cosmetics. The preparation method is simple and convenient, is suitable for mass production, not only can improve the development added value of a crocodile product, but also can reduce environmental pollution, brings high economic value and social value. |
