| abstract |
This invention provides peptides, compositions, medicine and functional food having inhibition on skin aging, promotion on producing collagen, promotion on epidermis turnover and proliferation on skin cells, and being suitable for oral intake. According to this invention, the compositions are provided to contain at least one pepetide of Asn-Ile-Pro-Pro-Leu, Ile-Pro-Pro-Leu, Ile-Pro-Pro, Pro-Val-Val-Val-Pro-Pro, Val-Pro-Pro-Phe, Val-Pro-Pro, Phe-Pro-Pro-Gln, Leu-Pro-Pro-Thr. |