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巴豆的药理作用与毒性研究

ว 2026-09-10 00:18:32ที่ 百拇医药网(100md.com)เ admin

巴豆为大戟科巴豆属植物巴豆树的种子,种仁含脂肪油(巴豆油)约40%至60%,油中含巴豆树脂,系巴豆醇、甲酸、丁酸及巴豆油酸结合而成的酯,有强烈致泻作用;此外含蛋白质18%,其中包括毒性球蛋白称巴豆毒素。药理作用主要有:一、对胃肠道的作用,巴豆泻下有效成分是巴豆油,至肠内遇碱性肠液水解释出巴豆酸,刺激肠黏膜使之发炎,增加分泌促进蠕动,于0.5至3小时内产生剧烈腹泻伴腹痛里急后重。二、抗肿瘤作用,巴豆油提取物对小鼠S180肉瘤、宫颈癌U14、艾氏腹水癌等有明显抑制作用。三、镇痛作用,极少量巴豆油口服或注射对多种致痛试验均呈镇痛作用。四、抑菌作用,巴豆浸剂对金黄色葡萄球菌、白喉杆菌有较强抑菌作用。五、巴豆水浸液为杀灭钉螺的特效药。

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