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地榆的药理作用研究

အချိန် 2026-09-10 00:18:32ရင်း 药源网ရေး admin

地榆根含鞣质和三萜皂苷,分离出的皂苷有地榆糖苷I、II,另含地榆甙A、B及E,其甙元均为熊果酸。药理作用:(1)收敛作用:地榆含有鞣质,具有收敛作用,能止泻和止血。外用炒地榆粉,对兔及狗的II度、III度实验性烫伤面有显著收敛作用,能使渗出减少、感染及死亡率降低。(2)抗菌作用:体外实验证明,地榆100%的煎液对伤寒杆菌、脑膜炎双球菌、福氏痢疾杆菌、宋内痢疾杆菌、乙型溶血性链球菌、金黄色葡萄球菌、肺炎双球菌、白喉杆菌、大肠杆菌、枯草杆菌、绿脓杆菌、霍乱弧菌及人型结核杆菌均有不同程度的抑制作用,对某些真菌亦有抑制作用,煎剂在0.5mg/ml时对亚洲甲型流感病毒有效。(3)抗炎作用:地榆对甲醛性足跖肿胀、巴豆油性耳壳肿胀有明显抑制作用,能抑制前列腺素E引起的皮肤微血管通透性亢进,尚能抑制大鼠棉球肉芽肿增生并促进伤口愈合。(4)止血作用:生地榆、水提物、地榆炭均有止血作用,地榆水提物可使出血时间明显缩短,地榆炭煎剂给家兔口服能使凝血时间明显缩短。(5)其他:鲜地榆注射液有升高白细胞的作用。

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