ガスクロマトグラフィーによるみつばはまごうの葉の精油の分析 ― そのモノテルペノイドについて ―
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概要
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The essential oil（this will hereafter be refered to as HE）obtained by steam distillation of leaves and branchlets of Vitex trifolia,L.（so-called Mitsuba-Hamago or Tachi-Hamago）was removed fatty acids and phenols containing in it by washing with alkali solution and carried out as the following methods．ａ)Fractional Distillation b)Gas Chromatography c）Infra-Red Spectroscopy As the resu1t，the next facts were known．（１）The HE was separated into twelve fractions.（２）Monoterpenoids,such as α-Pinene,β-Pinene and Limonene,are contained in the HE as main components. These substances were identified by a comparison of their Gas Chromatography and IR Spectra with those of pure reference compounds．（３）The distillated fractions,HE7,8～HE10,seem to be alcohol, Ketone and ester（acetate）of monoterpenoids．（４）Considering the b.p.，130-140℃/14mmHg,the distillated fractions，HE11 and HE12,seem to be sesquiterpenoids，C_<15>H_<24>．（５）In a paper, the author Shinozaki reported that the essential oil extracted from Vitex trifolia，L.var.ovata Makino produced in Ogasahara islands contains Camphene.However，the Camphere did not be contained in our HE.
- 琉球大学文理学部の論文
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