The main component of Japanese Ho-leaf oil has been shown to be (-)-linalool (80_??_90%), and the following twenty minor constituents newly have been identified; methyl vinyl ketone, methyl isobutyl ketone, mesityl oxide, β-pinene, myrcene, (+)-limonene, cis- and trans-ocimene, n-hexanol, cis-3-hexenol, cis- and trans-linalool oxide, (-)-l-terpinen-4-ol, (+)-cis. and (+)-trans-2, 6, 6-trimethyl-2-vinyl-5-hydroxytetrahydropyran, citronellol, nerol, (+)-β-selinene, (+)-tagetonol and (-)-trans-hotrienol. (+)-Tagetonol and (-)-trans-hotrienol have been demonstrated to be (+)-3, 7-dimethyl-3-hydroxy-l-octen-5-one (III) and (3R)-(-)-trans-3, 7-dimethyl-3-hydroxy-1, 5, 7-octatriene (IX), respectively.

This article cannot obtain the latest cited-by information.