Study on Quality Standard for Kechuanling Plaster / 中国中医药信息杂志

Objective To establish the quality control standard of Kechuanling Plaster. Methods Semen sinapis in Kechuanling Plaster was identified by TLC. The content of ?-asarone in Kechuanling Plaster was identified by HPLC. Results Semen sinapis in Kechuanling Plaster could be detected by TLC. ?-asarone shows a good linear relationship at range of 0.132～0.308 ?g (r=0.9999). The average recovery was 101.7% and RSD was 2.0%. Conclusion The method was simple, specific and accurate. This study provide a method for the quality control of Kechuanling Plaster.