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预知子的药材性状与鉴别

ว 2026-09-10 00:18:32ที่ http://s.dayi.org.cn/mip/s/cmedical/300074.htmlเ admin

预知子药材呈肾形或长椭圆形,稍弯曲,长3~9厘米,直径1.5~3.5厘米。表面黄棕色或黑褐色,有不规则的深皱纹,顶端钝圆,基部有果梗痕。质硬,破开后果瓤淡黄色或黄棕色,种子多数扁长卵形,长约1厘米,黄棕色或紫褐色,有光泽,具细密皱纹。气微香,味苦。以肥大、质重者为佳。夏、秋二季果实绿黄时采收,晒干或置沸水中略烫后晒干。主产江苏、浙江、安徽、陕西等地。商品八月札来源复杂,除木通科果实外,有用木通果实直接作预知子入药,应注意鉴别。炮制为洗净晒干,用时打碎。以上性状、显微及理化鉴别要点可作为临床调配与药材采购时真伪优劣鉴别的参考,选购时应结合色泽、质地、气味综合判断,避免误用伪品混淆品。以上性状、显微及理化鉴别要点可作为临床调配与药材采购时真伪优劣鉴别的参考,选购时应结合色泽、质地、气味综合判断,避免误用伪品混淆品。

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