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  • Title: [Screening of pancreatic lipase and alpha-glucosidase inhibitors from Chinese dietary herbs].
    Author: Sun X, Zhang K, Ji X, Wang Y, Jeffrey Z, Tong Y, Gao H, Zhang J, Wang Z.
    Journal: Zhongguo Zhong Yao Za Zhi; 2012 May; 37(9):1319-23. PubMed ID: 22803384.
    Abstract:
    The present study was conducted to develop new inhibitors of pancreatic lipase and alpha-glucosidase from Chinese dietary herbs. Sixty-three dietary herbs from 39 taxonomic families were selected and extracted with aqueous ethanol or water. The extracts were then tested with in vitro enzyme assays for their ability to inhibit pancreatic lipase and alpha-glucosidase activities. Orlistat and acarbose were used as two positive controls. The extracts of Nelumbo nucifera, Curcuma longa, Piper longum and Morus alba showed strong pancreatic lipase inhibitory effects with IC50 at (28.00 +/- 5.51), (5.24 +/- 0.51), (14.76 +/- 2.58), (4.78 +/- 0.58), (3.41 +/- 0.67) mg x L(-1), respectively. These extracts also showed potent alpha-glucosidase inhibitory activities with IC50 at (1.98 +/- 0.13), (0. 18 + 0.007), (0.71 +/- 0.08), (0.077 +/- 0.005), (0.089 +/- 0.006) g x L(-1), respectively. The results provide useful information for developing new drugs or natural health products for hyperlipidemia and hypoglycemia from Chinese dietary herbs.
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