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  • Title: [Study on the ultraviolet protective effects of the cream of the total flavonoids from Oxytropis falcata].
    Author: Li MX, Lan ZH, He XR, Zhang RX, Jia ZP, Du QY, Hong JN.
    Journal: Zhong Yao Cai; 2011 Mar; 34(3):415-20. PubMed ID: 21823462.
    Abstract:
    OBJECTIVE: To study the protective effects of the cream of the total flavonoids from Oxytropis falcata on the destructed skin of mice induced by moderate-wave ultraviolet (UVB) irradiation. METHODS: Dorsal skin of Wistar mice were treated with the cream of the total flavonoids from Oxytropis falcata and then irradiated with UVB in the dosage of 5 min once a day for one week. The tissue of skin was pathological diagnosed and the activities or contents of superoxide dismutase (SOD), malondialdehyde (MDA), hydroxyproline (Hyp), glutathione peroxidease (GSH-Px), glutathione (GSH), glutathion-s-transferase (GST), catalase (CAT) and hydroxy radical (*OH) were determined with chromatometry. RESULTS: The ultraviolet protective effects of the cream could be observed with appearance and pathology examine. The cream could increase the activities of SOD (P < 0.001), GSH-Px (P < 0.001), GST (P < 0.05) and CAT (P < 0.01), raise the content of Hyp (P < 0.001) significantly. The cream could also decrease the contents of MDA and *OH (P < 0.001), and the activities of GSH significantly (P < 0.001). CONCLUSION: The cream of the total flavonoids from Oxytropis falcata has protective effect on the destructed skin of mice induced by moderate-wave ultraviolet (UVB) irradiation.
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