軟骨魚類肝油中のメトキシグリセリルエ-テルについて〔英文〕

概要

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The characteristics of methoxy-glyceryl ethers (MGE) isolated from the liver lipids of some shark and ratfish were investigated. The livers of the cartilaginous fish contained a small amount of MGE, ranging from 0.1% to 0.3% of lipids and from 0.3% to 3.1% of unsaponifiables. The MGE components of the examined fish were mostly composed of saturates (17.4%-43.3%), monoenes (46.0%-68.7%), and polyenes (8.2%-19.9%) of 14-22 carbon atoms in the long alkyl chains, excluding the methoxy group. The principal components found were 2-methoxy-substitutedh exadecyl-(14.7%-29.5%), octadecyl-(0.1%-14.6%), hexadecenyl-(26.5%-50.9%), octadecenyl-(6.3%-20.9%), and docosahexaenyl-(6.5%-18.0%) glyceryl ethers. These five components comprised 73.4%-92.2% of the total. The structures of the major components of monoenoic and polyenoic MGE were found to be 1-O-(2-methoxy-4-hexadecenyl)-, 1-O-(2-methoxy-4-heptadecenyl)-, 1-O-(2-methoxy-4-octadecenyl)-, and 1-O-(2-methoxy-4, 7, 10, 13, 16, 19-docosahexaenyl)-glycerols.
日本水産學會の論文