초록 close

Myeong Hwan (... ) is Chinese patent medicine which is used for presbyopia and eye disease. It consistsof 23 kinds of powdered crude drugs. In powdered crude drugs, it is hard to identify each component by chemical analysis ormorphological examination. However, the method of identification of powdered crude drugs has not been clearly established.as it requires only a small amount of specimens. In this study, it is demonstrated that the microscopic method is very effectivefor the identification of 23 crude drug ingredients in Hwan Myeong Hwan.Key wordsHwan Myeong Hwan, powdered crude drug, Chinese patent medicine, microscopic identification