タブノキ果実の精油成分について(その3)

概要

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In the previous paper, we reported on the constituents of the essential oils of M. thunbergii Sieb. et Zucc. grown in Ibaraki-city (Osaka prefecture) and Yawata-city (Kyoto prefecture). In this paper, we report on the constituents of the essential oil from fruit of M. thunbergii Sieb. et Zucc. grown in five districts: Shiga-cho (A), Kohoku-cho (B) and Otsu-city (C) of Shiga prefecture; Toba-city (D) of Mie prefecture; and Tsuruga-city (E) of Fukui prefecture. The oil components of matured whole fruits were investigated. The major oil components were as follows: in (A) trans-β-ocimene (72.5%), cisβ-β-ocimene (6.2%) and α-pinene (3.4%); (B) α-pinene (16.1%), trans-β-ocimene (11.1%) and α-zingiberene (6.8%); (C) cis-β-ocimene (24.2%), α-pinene (14.0%) and trans-β-ocimene (11.9%); (D) α-terpineol (14.7%), cis-β-ocimene (10.9%) and trans-β-ocimene (7.4); and (E) α-zingiberene (8.7%), α-phellandrene (6.4%) and cis-β-ocimene (6.3%).
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