用苯酚硫酸法測定了腎石消膠囊中多糖的含量。方法簡便、靈敏、顏色穩(wěn)定，可作為該制劑的質(zhì)量控制。

Shenshixiao capsule(SX) is a TCM preparation with Quercus dentata Thunb. as its main ingredient. The polysaccharide content of which was said to possess lithagogue action. A phenol-sulfuric acid method for the determination of the polysaccharide content‘，SX was developed and proved to be easy,sensifive and reliable. The average recovery was 95.5% with RSD=1. 5%.