キュウリグサ(Trigonotis peduncularis Benth.) の揮発性成分

概要

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The steam volatile oils of Trigonotis peduncularis Benth. (Japanese name, kyuuri-gusa) of the family Boraginaceae, were obtained in 0.013-0.023% yield from fresh total aerial parts, and were studied by gas chromatography and mass spectrometry. Seventy-four components were identified: 21 fatty acids, 20 alcohols, 14 hydrocarbons, 12 carbonyls, and 7 other kinds of compounds. Traces of terpenes were found, with only linalool, α-terpineol, and geraniol being identified. The Japanese name of this plant refers to the cucumber-like aroma produced when leaves and stems are crushed. The aroma were characterized by the following compounds with chains of nine carbons: n-nonanal, n-nonanol, cis-3-nonen-1-ol, cis-6-nonen-1-ol, and cis, cis-3, 6-nonadien-1-ol. These compounds were generated from the oxidation of polyunsaturated fatty acids by plant enzymes.
社団法人日本農芸化学会の論文