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雷丸的鉴别与用药注意

ว 2026-09-10 00:18:33ที่ 百拇医药网(100md.com)เ admin

雷丸为较常用中药,商品为白蘑科卷边菇属真菌雷丸的干燥菌核。性状鉴别:呈类球形或不规则块状,少数类长圆形略呈连珠状,直径1至3厘米。表面黑棕色或灰褐色,具略隆起的网状细皱纹或不规则细裂纹,并有少数凹坑,凹陷处偶有残留菌索。质坚实而重不易破碎,破碎面类白色少数呈浅棕白色,不平坦呈颗粒状,颗粒断面略呈角质状,紧密排列。无臭,味微苦,嚼之微带粘性,久嚼无渣。以身干、个大、饱满、质坚重、断面色白者为佳,断面色褐呈角质样者不可供药用。用法用量10至20克,不宜入煎剂,多粉碎服用。《本经》记载其主杀三虫、逐毒气、胃中热。雷丸始载于《神农本草经》列为下品,李时珍曰此物生土中无苗叶而杀虫逐邪,犹雷之丸也。雷丸主产于四川、云南、贵州、广西、陕西等地,多生于竹林中竹根附近,秋季采挖洗净晒干。以身干、个大、饱满、质坚重、断面色白者为佳,断面色褐呈角质样者不可供药用。

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