1.Effect of fish skin collagen peptide to skin collagen concentration in rats
Long CHEN ; Ringhui WANG ; Ajing WANG ; Dongliang CHEN ; Guoyan YANG ; Liangyan TANG ; Kaibo LV ; Bo JIANG ; He HUANG
Chinese Journal of Health Management 2008;2(5):281-283
Objective To study the effect of fish skin collagen peptide on skin collagen metabolism.Methods Twenty-two rots were divided into treatment and control groups.In rats of the treatment group,fish skin collagen peptide at a dose that is 20 times of the recommended dose for human was added to the food for 40 days. Skin HYP was isolated by hydrolysis with hydrochloric acid. The concentration of skin HYP was determined by visible spectrophotometer and converted it to collagen concentration and compared between the 2 groups.Results The skin collagen concentration was significantly higher in the treatment group than that in the control group (69.79%±4.36%;64.36%±4.36%,P＜0.05).At 40 days,the average body weight of rats in the treatment group was (32.1±3.16)g;while it was(36.5± 2.19)g in the control group (P＜0.05).Conclusion Fish skin collagen peptide may help to increase collagen concentration of skin and control body weight.
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