Studies on the Constituents of Flowers. IV. On the Components of Flower of Viburnum dilatatum THUNB.

Abstract

In order to investigate the fragrant components, the essential oil of the flowers of Viburnum dilatatum. THUNB. was examined and as the main fragrant substances phenethyl alcohol, cis-3-hexen-1-ol, α-terpineol, benzyl alcohol, l-linalool, and methyl salicylate were isolated. The acidic oil contained 12 kinds of volatile acids. It is very characteristic that isovaleric acid forms over 90% of the volatile acid oil. Quercetin, kaempferol, apigenin, luteolin, ursolic acid, and several paraffins were obtained from the steam distillation residue, and identified.