The linear relat ion was good at 9～ μg( r =0 999). The average recovery ra tes of c atechin were 97 %. The average content of catechin in the compound catechu capsule was mg/g, RSD was 9%(n=).
The linear relat ion was good at 9～ μg( r =0 999). The average recovery ra tes of c atechin were 97 %. The average content of catechin in the compound catechu capsule was mg/g, RSD was 9%(n=).
在 9～ μg范围内具有良好的线性关系 (r =0 999) ,儿茶素的平均回收率为 97 % ,复方儿茶胶囊中儿茶素的平均含量为 mg/g ,RSD为 9% (n =) .