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广东王不留行的药材性状鉴别

ว 2026-09-09 23:09:23ที่ 鉴别方法เ 中国国际医疗服务系统
广东王不留行呈倒卵状圆锥形或长椭圆形,纵切片瓢状或槽状。外表面灰黄绿色,内表面红棕色,有未除净的众多枯萎花或细小长圆球状果实。顶端截形,中央有一圆形突起,正中有一小孔,孔内充塞膜质小苞片,孔外通常有细密褐色绒毛;下端稍细或呈柄状,常残留短果柄或果柄痕。体轻,质硬而脆,易折断。气微弱,味淡、微涩。以瓣片大、肉厚、无残留瘦果者为佳。一般在秋季采收近成熟的隐头花序,纵剖2~4瓣,除去瘦果晒干,纵切2瓣的呈瓢状,4瓣的呈浅槽状,长3.5~6cm,宽1.5~4cm,厚0.2~0.5cm。外表面黄绿色或灰黄色有皱缩纹,内表面红棕色或黄棕色间有残留小瘦果,质脆易折断,断面整齐,气微味微涩。在购买时需注意与药典记载的正品王不留行区别,药典品王不留行为石竹科麦蓝菜的干燥成熟种子。
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