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  • Title: Scopoletin inhibits α-glucosidase in vitro and alleviates postprandial hyperglycemia in mice with diabetes.
    Author: Jang JH, Park JE, Han JS.
    Journal: Eur J Pharmacol; 2018 Sep 05; 834():152-156. PubMed ID: 30031794.
    Abstract:
    The aim of this study was to investigate whether scopoletin could inhibit the activities of the carbohydrate digestive enzymes, α-glucosidase and α-amylase, and reduce postprandial hyperglycemia in streptozotocin (STZ)-induced diabetes in mice. Scopoletin showed a distinct inhibitory effect on α-glucosidase and α-amylase. The half maximal inhibitory concentration (IC50) of scopoletin was 85.12 and 37.36 μM for α-glucosidase and α-amylase, respectively, which were lower values than those for acarbose. The increase in postprandial blood glucose levels was significantly suppressed in the scopoletin group compared to the control group of STZ-induced diabetes in mice. Moreover, the area under the curve significantly decreased with the administration of scopoletin in STZ-induced diabetes in mice. These results showed that scopoletin might help to lower postprandial hyperglycemia through inhibition of carbohydrate digestive enzymes.
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