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研究中医医院新制剂清胆胶囊中白藜芦醇甙、陈皮甙的定量方法。样品用HPLC法,以甲醇超声提取,反相柱,甲醇-水(45∶55)为流动相,在290nm波长处检测,平均回收率,白藜芦醇甙为99.2%,陈皮甙为99.3%;RSD分别为3.0%和2.7%。同法测定了原料药虎杖中白藜芦醇甙、陈皮中陈皮甙的含量。结果显示该方法灵敏、准确,可用于本制剂的质量控制
To study the quantitative methods of resveratrol glycosides and tangerine peel in new preparations of Qingdan capsules. The sample was extracted by HPLC with ultrasonic, reversed-phase column and methanol-water (45:55) as mobile phase. The detection was performed at a wavelength of 290 nm. The average recovery rate was 99.2% for resveratrol glycosides. 99.3%; RSD were 3.0% and 2.7% respectively. The same method was used to determine the contents of resveratrol glycosides and tangerine tannins in Polygonum cuspidatum. The results show that the method is sensitive and accurate and can be used for the quality control of the preparation.