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黄芩为常用中药,其主要有效成分为黄芩甙及甙元,但黄芩甙元因脂溶性影响了吸收和活性。所以,我们参考有关文献将其制备成磷酸钠盐,以改善其理化性质及活性。黄芩甙的提取将黄芩切片,乙醇热回流3次,合并乙醇抽提液,药渣待处理。乙醇液放置过夜,在N_2气保护下滤出黄色絮状沉淀。沉淀物真空干燥,然后以50%
Astragalus membranaceus is a commonly used traditional Chinese medicine. Its main effective components are Astragalus membranaceus and Astragalus membranaceus, but Astragalus sp. Therefore, we refer to the relevant literature to prepare sodium phosphate salt to improve its physicochemical properties and activity. Astragalus membranaceus slices were sliced and the ethanol was refluxed 3 times. The ethanol extracts were combined and the dregs were left to be treated. The ethanol solution was allowed to stand overnight and the yellow flocculent precipitate was filtered off under N 2 gas. Precipitate is vacuum dried and then 50%