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广东刘寄奴的性状与质量标准

ว 2026-09-09 23:09:22ที่ 鉴别方法เ 中国国际医疗服务系统
广东刘寄奴(鸭脚艾)药材为不规则的段。茎枝圆柱形或稍扁,直径0.3~0.8cm,部分老茎直径可达1.5cm;表面深绿色至褐色,有明显的纵向棱线,质稍韧,不易折断;切面灰黄色,略显纤维性,中空而有较宽广的髓。叶多已皱缩或破碎,完整叶片展平后呈羽状分裂或深裂,似鸭掌状,裂片卵形,近顶端一片较大,裂片边缘有疏锯齿;上表面深绿色至褐色,下表面色略浅,无毛,有较长的叶柄。有的枝端带有密集成穗状的黄白色头状花序,单个头状花序长圆形,细小。气微,味淡。检查:水分不得过13.0%,总灰分不得过8.5%。浸出物:水溶性浸出物不得少于18.0%。含量测定:挥发油不得少于0.20%(ml/g)。
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