カワノリ中のステロール,炭化水素,脂肪酸およびフィトール画分の季節的変動

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The present paper describes the seasonal variation of constituents such as sterol, hydrocarbon, higher fatty acid, and phytol fractions from Prasiola japonica YATABE. The contents of campesterol and stigmasterol varied in a relatively parallel way during all seasons. They appeared to attain their maximum levels during the winter months, while the cholesterol and phytol contents were consistently low in all seasons. cis-7-Heptadecene was characteristically present in appreciable amounts except during the summer months. Conversely, C18-unsaturated fatty acids rapidly increased from early summer to August and then rapidly decreased to a negligible amount in the winter months. Furthermore, it is important to note that no 28-isofucosterol was detected in any sample of any season. The correlation between the seasonal variation of these constituents and the growth of the Prasiola japonica YATABE is discussed.
公益社団法人日本水産学会の論文