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广升麻与正品升麻的鉴别区别

ว 2026-09-09 23:09:41ที่ 鉴别方法เ 中国国际医疗服务系统
《中华人民共和国药典》收载的正品升麻为毛茛科升麻属三种植物(大三叶升麻、兴安升麻、升麻)的干燥根茎,而广升麻为菊科植物麻花头的干燥根茎,主产华南、华东,为地方习用品,功效与正品升麻相近但力弱,不可替代药典正品入药。鉴别要点:正品升麻根茎呈不规则长块状,多分枝结节状,表面黑褐色粗糙,有圆形空洞状茎痕,洞内壁具网状沟纹,体轻质坚硬,断面黄白色有放射状纹理与裂隙,气微味微苦而涩;广升麻根茎呈圆柱形,表面黄棕色,有纵皱纹,断面无网状沟纹,味淡。市场偶见以木薯切片等冒充升麻,伪品断面无升麻特有的茎痕空洞、网状沟纹、放射状纹理,嚼之有豆腥气或甜味,需通过性状与薄层色谱鉴别。优质升麻以根茎粗壮、断面黄白色、粉性足为佳,药典规定干燥品含升麻素苷和类叶升麻苷总量不得少于0.80%。
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