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扁蓄的化学成分与药理作用

ว 2026-09-10 00:18:31ที่ https://www.wiki8.cn/quxu_72464/เ admin

现代研究表明,扁蓄全草含黄酮类成分:槲皮素、萹蓄苷、槲皮苷、牡荆素、异牡荆素、木犀草素、鼠李素-3-半乳糖苷、金丝桃苷等;香豆精类成分伞形花内酯、东莨菪素;还含阿魏酸、芥子酸、咖啡酸、绿原酸、没食子酸、草酸、硅酸及多种氨基酸、水溶性多糖等。药理作用广泛:其一,利尿作用,煎剂20克/千克给大鼠灌喂可使尿量、钠和钾排出增加,利尿成分可能为钾盐或萹蓄苷。其二,抗菌作用,25%全草煎剂对福氏痢疾杆菌和宋内氏痢疾杆菌皆有抑制作用,40%水煎剂对葡萄球菌、绿脓杆菌、皮肤真菌均有抑制作用。其三,降压作用,水及乙醇提取物静脉注射对猫、兔和狗均有降压作用。其四,对子宫和止血作用,提取物能加速血液凝固和使子宫张力增高,可用作流产及分娩后子宫出血的止血剂。其五,萹蓄苷对大鼠、犬有利胆作用。

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