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由于《中国药典》对某些中药材的产地加工未作严格的规定,造成个别中药材有效成分损失严重。如1990年版一部对黄芩的产地加工记述为:“春、秋二季来挖,除去须根及泥沙,晒后,撞去粗皮,晒干。”笔者在基层药品质量检查中。发现有的单位刚从外地购进的黄芩其断面就有10—20％变成绿色,这说明黄芩中的有效成分黄芩甙已水解成甙元,且进一步氧化
As the “Chinese Pharmacopoeia” does not impose strict regulations on the origin of certain Chinese herbal medicines, the loss of active ingredients of individual Chinese herbal medicines is serious. For example, in the 1990 edition, a description of the production process of Astragalus is: “In the spring and autumn, digging, removing fibrous roots and sediments, drying, and smashing into rough skin and drying.” The author examined the quality of medicines at the primary level. It was found that 10-20% of the cross-section of astragalus, which has just been purchased from other places, turned green, indicating that the active ingredient in Radix Astragali has been hydrolyzed into arsenic and further oxidized.