Ultra-filtrated liquors from water extract of Qingzhuan tea inhibiting activities of pancreatic α-amylase and lipase in vitro
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Abstract:
Fractions with high inhibitory activities on α-amylase and lipase were isolated from water extracts of Qingzhuan tea via ultra-filtration technology．Results showed that the trapped fraction of 5 ku ultra-filtration isolated from water extracts had strong α-amylase inhibitory activity.The trapped fraction of 100 ku ultra-filtration isolated from water extracts had strong lipase inhibitory activity.The α-amylase and lipase inhibitory activity of trapped fraction of 5 ku ultra-filtration isolated from the ethyl acetate fraction was higher than that of the ethyl acetate fraction.It is indicated that ultra-filtration combining with ethyl acetate extraction can more effectively isolate fractions with high α-amylase and lipase inhibitory activities from water extracts of Qingzhuan tea．
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刘淑媛,赵书青,倪德江,陈玉琼. Ultra-filtrated liquors from water extract of Qingzhuan tea inhibiting activities of pancreatic α-amylase and lipase in vitro[J]. Jorunal of Huazhong Agricultural University,2017,36(6):99-104.