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牡丹皮 ( Cortex Moutan)

牡丹皮 ( Cortex Moutan). 来源 : 为毛莨科植物牡丹根皮。 形态 : 灌木,叶边缘无骨小齿, 心皮有毛。 产地: 安微,河南,四川等省。全国各地都有栽培。. 性 状. 刮丹皮 :(粉丹皮)优 —— 筒状,去外皮,外粉红色,皮厚,粉性强。“亮银星”多有特殊香气,苦而涩,具麻舌感。 亮银星 :指牡丹根皮内表面有丹皮酚析出或厚朴树皮内厚朴酚析出的发亮细小银光的结晶。

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牡丹皮 ( Cortex Moutan)

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  1. 牡丹皮(Cortex Moutan) • 来源:为毛莨科植物牡丹根皮。 • 形态:灌木,叶边缘无骨小齿, 心皮有毛。 • 产地:安微,河南,四川等省。全国各地都有栽培。

  2. 性 状 • 刮丹皮:(粉丹皮)优——筒状,去外皮,外粉红色,皮厚,粉性强。“亮银星”多有特殊香气,苦而涩,具麻舌感。 • 亮银星:指牡丹根皮内表面有丹皮酚析出或厚朴树皮内厚朴酚析出的发亮细小银光的结晶。 • 原丹皮:次。筒状或半圆筒状,两边多向内卷,不去外皮,外灰褐色,具微突起和长圆形横生疤痕用根痕,皮薄,粉性弱,亮银星少。味道类似上。 • 传统以安徽铜陵凤凰山产的刮丹皮,条粗长,无木心,皮厚。断面粉白色,粉性足,香气浓,亮星多,质最优。

  3. 显 微 • 横切面:根皮的正常构造。木栓层——皮层——韧皮部。 • 粉末:簇晶、方晶、淀粉粒。

  4. 成 分 • 牡丹酚:具镇痛、解痉、抑菌作用。

  5. 理 化 1、微量升华:长柱形,针状及羽状结晶+FECL3——结晶溶解而成暗紫色 2、丹皮,根皮粉乙醚提液+硝酸数滴,先显棕黄色,后变绿色;芍药显黄色。 3、丹皮,芍药+GIPP试剂(氯亚胺基2.6)=氯苯醌试剂 牡丹皮显蓝色,芍药根皮不显色。 4、薄层 5、含量测定:不得少于1.2%。

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