成熟過程における綿実種子の脂質および脂肪酸組成の変動について(ノ-ト)

概要

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The compositional and quantitative changes in lipids and fatty acids of triglycerides in cotton seed lipids from 3 to 65 days after flowering were investigated. Component cyclopropene and cyclopropane fatty acids of triglycerides were fractionated on silver nitrate-silicagel column by a modified method of Johnson(12), and the unsaturated fraction products were hydrogenated. This hydrogenated fraction and the original saturated ester fraction were each analyzed by gas-liquid chromatography on 1% Apiezon M on Chromosorb GAWDMCS. The total percentages of cyclopropene and cyclopropane fatty acids in triglycerides were 38.0 and 15.9 mole at 3 and 10 days after flowering, respectively. But these acids showed a marked decrease from 20 days after flowering. On the other hand, linoleic acid rapidly increased with decreasing proportions of cyclopropene and cyclopropane fatty acids from 20 days after flowering.
社団法人日本農芸化学会の論文