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Preliminary Studies of Indonesian Eugenia polyantha Leaf Extracts as Inhibitors of Key Enzymes for Type 2 Diabetes

机译:印尼番石榴叶提取物作为2型糖尿病关键酶抑制剂的初步研究

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Eugenia polyantha leaves are widely used in traditional diabetic treatment and as food additives in Indonesia. Extracts of the leaves showed potential inhibitory effect on alpha glucosidase activity in vitro . This study is an effort to evaluate the antidiabetic properties of E. Polyantha leaves extracts. The methanol-water extracts showed the highest activity (IC50 71 μg mL-1), more than the methanol extracts (92 μg mL-1) and water extracts (73 μg mL-1). The extracts at 100 mg kg-1 BW dose also demonstrated a hypoglycemia effect in the in vivo assay test against alloxan induced diabetic rats . Repeated bioassay-guided fractionation of the methanol-water extracts afforded two active compounds, 4-hydroxy-3-methoxy benzoic acid and 4-hydroxy-3, 5-dimethoxy benzoic acid, with 27 and 35% inhibition of alpha glucosidase activity, respectively.
机译:番石榴叶被广泛用于传统的糖尿病治疗和印度尼西亚的食品添加剂中。叶子的提取物对体外α-葡萄糖苷酶活性有潜在的抑制作用。这项研究旨在评估E. Polyantha叶子提取物的抗糖尿病特性。甲醇-水提取物显示最高活性(IC 50 71μgmL -1 ),高于甲醇提取物(92μgmL -1 )和水提取物(73μgmL -1 )。 100 mg kg -1 BW剂量的提取物在体内试验中也显示出了对四氧嘧啶所致糖尿病大鼠的低血糖作用。重复进行生物测定指导的甲醇-水提取物分级分离,得到两种活性化合物4-羟基-3-甲氧基苯甲酸和4-羟基-3、5-二甲氧基苯甲酸,分别具有27和35%的α葡萄糖苷酶活性抑制作用。 。

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