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延胡索的化学成分与镇痛药理

ว 2026-09-10 00:18:32ที่ https://www.wiki8.cn/yanhusuo_23042/เ admin

现代研究表明,延胡索含多种异喹啉类生物碱,已分离出20余种,主要有延胡索甲素、乙素(四氢巴马汀)、丙素、丁素、戊素、己素及去氢延胡索甲素等,其中延胡索乙素为镇痛镇静主要有效成分。药理作用方面:其一,镇痛作用,延胡索乙素镇痛作用较吗啡弱但持久,且无成瘾性,对慢性持续性疼痛效果较好;其二,镇静催眠作用,乙素能抑制脑干网状结构上行激活系统,有镇静安定作用;其三,对心血管系统,去氢延胡索甲素能扩张冠状动脉、增加冠脉血流量及心肌营养性血流量,减少心肌缺血性损伤和心肌梗死范围,增加心肌耐缺氧能力;其四,抗胃溃疡作用。《中国药典》以延胡索乙素为指标成分进行含量测定,规定按干燥品计算不得少于0.050%。其临床疗效与上述现代药理研究结果基本吻合,为传统功效提供了科学依据。

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