Studies on the Influencial Factors Affecting the Efficiency of Chinese Materia Medica Extraction / 中草药

ABSTRACT

Factors which influence the extraction of Chinese materia Medica were comprehensively studied,by ex-tracting each single herb component in the compounded preparation Sinitang as the sample,and determiningthe extraction rate as well as the content of main active principle in each extract as the evaluation criteria. Thegeneral ru1e for the extraction of single herb material was then investigated. The results indicated that it isbetter to desigm the experiment in accordance with it's characteristic object with selection of proper evalua-tion criteria to obtain an optimum process for the extraction of Chinese traditional drugs.