ABSTRACT
OBJECTIVE:To improve the quality standard of Vitamin C yinqiao tablet,and to provide a theoretical basis for im-proving the standards and quality of medicines. METHODS:HPLC in Chinese Pharmacopoeia(2010 edition)was conducted to de-termine the content of chlorogenic acid,arctiin,vitamin C,acetaminophen,chlorphenamine maleate in Vitamin C yinqiao tablet from multiple manufacturers. RESULTS:There were big differences of the 5 components in Vitamin C yinqiao tablet among differ-ent manufacturers. CONCLUSIONS:The content determination method for Vitamin C yinqiao tablet contained in Chinese Pharmaco-poeia remains to be further improved;and the manufacturers should pay attention to the process of production and quality of tradi-tional Chinese medicinal materials of the preparation.