GC-MS combined with multivariate analysis for the determination of the geographical origin of <i>Elsholtzia rugulosa</i> Hemsl. in Yunnan province

Abstract

characteristic component Elsholtzia ketone is regulated by terpenoid metabolism. The discriminant functions of different origins are constructed by Fisher stepwise discrimination, and its initial verification accuracy and leave-one-out cross-validation accuracy were 100% and 87.5%, respectively.