[The microscopical and HPLC identification of several" Muxiang" raw materials].

OBJECTIVE: To differentiate and identify several species of "Muxiang". METHODS: The main microscopic features and HPLC chromatograms of diagnostic components were studied. RESULTS: Distinguishable characters were found in two methods. CONCLUSION: The results provide reliable and simple reference for the authentication of raw materials of" Muxiang" species, especially the toxic species.