绛县黄芩
(1)外在感官特征 绛县黄芩呈圆锥形,扭曲,长8~25cm,直径1~3cm。表面棕黄色或深黄色,有稀疏的疣状细根痕,上部较粗糙,有扭曲的纵皱纹或不规则的网纹,下部有顺纹和细皱纹。质硬而脆,易折断,断面黄色或浅黄色,略呈角质样。气微,味苦。无粗皮、杂质、虫蛀和霉变。
(2)内在品质指标 绛县黄芩按干燥品计算,含水分≤11.0%,含黄芩苷(C21H18O11)≥11.2%。
(3)安全要求 “绛县黄芩”的生产基地及产品需限定在文件划定的地标地域保护范围内生产,严格执行《中药材生产质量管理规范GAP(试行)》、《中华人民共和国土壤环境质量标准》(GB15618)中二级标准和《生活饮用水卫生标准》(GB5749)等规定,实施黄芩原料生产、贮存及炮制加工过程的科学管理。
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