2,3Stromateidei亜目魚類の脂質に関する研究〔英文〕

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Various tissues of three Stromateidei fishes, Stromateus maculatus, Centrolophus sp., and Cubiceps gracilis, were extracted with acetone; the extracts obtained were analyzed for lipid composition by thin layer and gas liquid chromatography. The results showed that the major lipid component is diacyl glyceryl ethers (DAGE's) in the skin and intestine of the three fishes; the same result was previously reported for the muscle. The major lipid components of the liver and ovary were triglycerides (TG's) and wax esters, respectively. Chimyl and selychyl alcohols accounted for most of the glyceryl ethers involved in the DAGE's; the batyl alcohol characteristic to shark liver oil was not present in any significant proportion. Palmityl and oleyl alcohols were the main constitutional alcohols of the wax esters of ovary. The fatty acid compositions of the DAGE's and TG's were widely different among the fish species or tissues examined, though no significant relationship was found among the fatty acid compositions, the fish species, and the tissues.
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