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采用薄层扫描法对健肝胶囊中丹参的有效成分原儿茶醛进行含量测定。方法可靠、灵敏、重现性好，平均回收率９５％，ＲＳＤ１．２４％。
The content of protocatechuic aldehyde in Danshen capsule was determined by TLCS. The method is reliable, sensitive and reproducible. The average recovery is 95% and the RSD is 1.24%.