Daio-Orengedokuto Inhibits HMG-CoA Reductase and Pancreatic Lipase

概要

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To evaluate the antihyperlipidemic activities of Orengedokuto (OT) and Daio-Orengedokuto (DOT), the inhibitory effects of these polyprescriptions on HMG-CoA reductase and pancreatic lipase and on the rat hyperilpidemic model induced by Triton WR-1339 were measured. OT potently inhibited HMG-CoA reductase but did not inhibit lipase. Among their ingredients, Coptidis Rhizoma was the most potent inhibitor, followed by Rhei Rhizoma. The HMG-CoA reductase-inhibitory activity of 80% EtOH extract was superior to that of water extract. However, DOT potently inhibited HMG CoA-reductase as well as pancreatic lipase. In the rat hyperlipidemic model induced by Triton WR-1339, OT and DOT decreased serum total cholesterol and low-density lipoprotein cholesterol levels. DOT also decreased serum triglyceride levels, but OT did not decrease it. These results suggest that the antihyperlipidemic activity of DOT may originate from the inhibition of pancreatic lipase as well as HMG-CoA reductase.
社団法人日本薬学会の論文
2002-11-01