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三颗针的功效主治与化学成分药理作用

时 2026-09-09 23:07:34源 药理作用撰 中国国际医疗服务系统
三颗针为小檗科植物拟獠猪刺、小黄连刺、细叶小檗或匙叶小檗等同属数种植物的干燥根。春、秋二季采挖,除去泥沙和须根,晒干或切片晒干。别名钢针刺、刺黄连、刺黄柏。性味苦,寒;有毒。归肝、胃、大肠经。功能清热燥湿,泻火解毒。主治湿热泻痢,黄疸,湿疹,咽痛目赤,聤耳流脓,痈肿疮毒。《分类草药性》谓其"治跌打损伤,劳伤吐血";《四川中药志》谓"清热解毒,消炎抗菌。治目赤,赤痢,吐血劳伤,咽喉肿痛,腹泻,齿痛,耳心痛,跌打损伤红肿"。用法用量9~15g。化学成分方面,本品根均含小檗碱、小檗胺和少量的掌叶防己碱、巴马亭、药根碱、尖刺碱、异汉防己碱、木兰花碱等生物碱。按干燥品计算,含盐酸小檗碱不得少于0.60%。药理作用方面,小檗碱的药理同黄连;小檗胺可升高白细胞、抗矽肺、肌肉松弛、抗心律失常,保护实验性心肌缺血及心肌梗死、抗肿瘤作用。三颗针还有降压、利胆、抗炎等作用。
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