抄録
From the roots of "San-shion" (Ligularia species), five volatile components (LA-LE) have been isolated. LA, LC, LD, and LE were found to be identical with cyperene, liguloxide, p-cymene, and limonene, respectively. The identity of LB (C15H26O), a tricyclic sesquiterpene ether, with ogarukaya-ether A has recently been shown by Fujita, et al.
