Study on Extraction Process of Effective Components in Yansheng Oral Liquid / 中国药房

OBJECTIVE:To study the optimum conditions for extracting the effective components in Yansheng oral liquidMETHODS:Using orthogonal design L9(34),the content of total solid was taken as the screening indexInfluence of the concentration of alcohol on effective components was observedRESULTS:The number of times of extraction(D) had significant influence on the content of total solid(P