Objective: To establish the quality standard for Ziyinshengfa Granules. Method: The thin-layer chromatograph (TLC) method was used to identify Radix Polygoni Multiflori Preparata

Fructus Lycii

Radix Salviae Miltiorrhizae and the content of 2

3

4

5'-tetahyd roxy stilbence-2-O-β-D-glucoside was determined by RP-HPLC. Result: The characteristic spots of Radix Polygoni Multiflori Preparata

Fructus Lycii

Radix Salviae Miltiorrhizae appeared in the TLC

and there was no interference for the negative sample. The linear range of 2

3

4

5'-tetahyd roxy stilbence-2-O-β-D-glucoside was 0.190 5-1.143 2 mg·L-1 (r=0.999 9). The average recovery rates were 98.60% (RSD 2.28%) (n=9). Conclusion: This method is simple

rapid

precise and reproducible

thus it can be used for the quality control of Ziyinshengfa Granules.