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KMID : 1160620120170010008
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Preventive Nutrition and Food Science
2012 Volume.17 No. 1 p.8 ~ p.13
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Hypoglycemic Effect of Sargassum ringgoldianum Extract in STZ-induced Diabetic Mice
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Lee Chae-Won
Han Ji-Sook
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Abstract
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This study was designed to investigate whether Sargassum ringgoldianum extract may inhibit α-glucosidase and α-amylase activities, and alleviate postprandial hyperglycemia in streptozotocin-induced diabetic mice. The IC50 values of Sargassum ringgoldianum extract against α-glucosidase and α-amylase were 0.12 mg/mL and 0.18 mg/mL, respectively, which evidenced higher activities than those of acarbose. The blood glucose levels of the Sargassum ringgoldianum extract administered group were significantly lower compared to the control group in the streptozotocin-induced diabetic mice. Moreover, the area under the two-hour blood glucose response curve was significantly reduced and the absorption of dietary carbohydrates was delayed after administration of Sargassum ringgoldianum extract in the diabetic mice. Therefore, these results indicated that Sargassum ringgoldianum extract may help decrease the postprandial blood glucose level via inhibiting α-glucosidase.
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KEYWORD
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Sargassum ringgoldianum extract, α-glucosidase, hypoglycemic effect, diabetic mice
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