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Hypoglycemic property of triterpenoid saponin PFS isolated from Polyscias fruticosa leaves

机译:来自Polyscias Fruticosa叶子分离的三萜类皂苷PFS的降血糖性质

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This paper evaluated the inhibitory effect of 3-O-[beta-D-glucopyranosyl-(1 - 4)-beta-D-glucuronopyranosyl] oleanolic acid 28-O-beta-D-glucopyranosyl ester (PFS), a major saponin isolated from Polyscias fruticosa leaves, on alpha-amylase and alpha-glucosidase, and its potential for reducing the postprandial blood glucose level in mice. In enzyme inhibition assays, PFS strongly inhibited porcine pancreas alpha-amylase and yeast alpha-glucosidase. Using the Lineweaver-Burk equation, we found that PFS inhibited porcine pancreas alpha-amylase in a mixed noncompetitive mode, and yeast alpha-glucosidase via noncompetitive inhibition. In the sucrose tolerance test, PFS at 100 mg/kg body weight significantly decreased the postprandial blood glucose level in mice fed a high-sucrose diet. These findings suggest that P. fruticosa leaves and their major saponin PFS can be used to prevent and treat diabetes and its complications.
机译:本文评价了3-O-β-D-吡喃葡萄糖基 - (1 - &gt.4)-beta-d-葡萄糖醛酸酯基] Olearolic酸28-O-β-D-吡喃葡萄糖基酯(PFS)的抑制作用 皂甙从多透视Fruticosa叶子叶子,在α-淀粉酶和α-葡糖苷酶上,其可能降低小鼠的后血糖水平。 在酶抑制测定中,PFS强烈抑制猪胰腺α-淀粉酶和酵母α-葡糖苷酶。 使用Lineweaver-Burk方程,我们发现PFS通过非竞争性抑制抑制混合的非竞争模式和酵母α-葡糖苷酶的猪胰腺α-淀粉酶。 在蔗糖耐受性试验中,100mg / kg体重的PFS显着降低了美联储高蔗糖饮食的小鼠的餐后血糖水平。 这些研究结果表明,P. Fruticosa叶子及其主要的皂苷PFS可用于预防和治疗糖尿病及其并发症。

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