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The volatile components of the essential oils of four Chinese species in the genus Asarum were investigated by means of GC-MS. Large amounts of elemicin, safrole, and 2-undecane to gether with several mono- and sesquiterpenes were identified in the essential oils. It was found that Chinese Asarum species is similar phytochemically to the genus Heterotropa in Japan.

Volatile Components of the Essential Oils of Four Chinese Species in the Genus Asarum (Aristolochiaceae)