Zheng Yan1,2,*, Shuang Liu2, Ai-Qing Liu2 and Hai-Yan Wang2
...6 weeks to establish the photoaging model. The concentrations of elastin peptide given to the low, medium, and high dose groups were 1.5, 5.0 and 10 mg/animal per day, respectively. Then, skin elasticity was measured using a cutimeter dual MPA 580. The concentraions of three type of collagens, hyaluronic acid and hydroxyproline in skin tissue were also determined. The results indicated that the oral administration of elastin peptide greatly improved the skin e...

Pakistan Journal of Zoology

February

Vol. 54, Iss. 1, Pages 1-501

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