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采用大孔树脂柱、水和甲醇洗脱，处理样品除杂；薄层扫描法测定葛根素含量。该法简便准确，为含葛根的制剂定量提供参考。
The macroporous resin column, water, and methanol elution were used to treat the samples for impurity removal. The puerarin content was determined by thin layer scanning. The method is simple and accurate, providing reference for quantification of preparations containing Pueraria.