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用双波长薄层扫描法测定妇炎平胶囊中的苦参碱，方法简便，结果可靠，重现性好，平均回收率101．7％，变异系数为2．17％。
Determination of matrine in Fuyanping capsules by dual-wavelength thin-layer scanning method is simple, reliable, and reproducible. The average recovery is 101.7%, and the coefficient of variation is 2.17%.