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  • Title: [Comparison of protein composition and activities of pilose antler processed by different methods].
    Author: Ke LJ, Lin DY, Huang XN, Huo YS, Rao PF, Ye XY.
    Journal: Zhong Yao Cai; 2008 Jan; 31(1):11-4. PubMed ID: 18589739.
    Abstract:
    To elucidate the influence of processing conditions on pilose antlerś therapic effects, the protein composition and activities were compared on three kinds of pilose antler processed by lyophilization, freezing and traditional short-time heating, respectively. The concentration of the water soluble protein in freeze-dried pilose antler was 126.54 mg/g (Folin-Phenol assay), which was 13.1 times higher than that of heating processed antler. These proteins distributed widely in SDS-PAGE electrophoresis and the protein band between 50.0 kDa approximately 60.0 kDa achieved the highest concentration. The water extract of freeze-dried antler promoted the proliferation and IGF-I secretion of rat osteogenic-like cell UMR-106 by 245.25% ( MTT assay) and 66.36 ng/ml, which was respectively 2.2 times and 1.2 times of those of heating processed antler. The same candidate inhibited the growth of human hepatic carcinoma cell BEL-7402 by the highest rate of 47.64% , which was 1.4 times of heating processed antler. The activities of frozen fresh pilose antler were lower than those of its freeze-dried counterpart, but were much higher than those of heating processed antler. The results indicated that lyophilization help to remain the activity of pilose antlerś proteins as much as possible and improve its efficacy.
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