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双波长薄层扫描法为测定黄柏中盐酸小檗碱的含量提供了较新的方法，且方法灵敏简便，易行。实验结果，平均回收率为１０２．２％，ＲＳＤ为２．５８％。
The two-wavelength thin-layer scanning method provides a relatively new method for the determination of berberine hydrochloride in Phellodendron amurense. The method is sensitive, simple, and easy to perform. As a result of the experiment, the average recovery rate was 102.2% and the RSD was 2.58%.