油化学
Online ISSN : 1884-2003
ISSN-L : 0513-398X
イワシクジラ皮油脂肪酸の分析
ガスクロマトグラフィーによる南氷洋産鯨油の研究 (第1報)
佐野 吉彦村瀬 公子
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ジャーナル フリー

1965 年 14 巻 3 号 p. 104-112

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While a few reports on the component fatty acids of the baleen whale oils by gas-liquid chromatography (GLC) have been published, no detailed paper including the minor constituents on the antarctic whale oil has been found yet.
The purpose is minute examination of the component fatty acid of the antarctic sei whale blubber oil by GLC using a hydrogen flame ionization detector.
Two samples of the oil were converted to methyl esters by alkali-catalyzed methanolysis, and the resulting methyl esters were separated by preliminary urea complex fractionation and by subsequent silicic acid column chromatography or thin layer chromatography on silica gel impregnated with silver nitrate. Each fraction was then analyzed by GLC on a polyester column before and after hydrogenation, as previously reported.
As a result, qualitative evidence was confirmed for the presence of more than 45 fatty acids ranging from 12 to 24 carbon atoms in chain length. Included were the esters of the following :
Normal saturated acids (12, 13, 14, 15, 16, 17, 18, 19, 20, 21 and 22 C-atoms), branched-chain fatty acids (14, 15, 16, 17 and 18 C-atoms), monoenoic acids (12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23 and 24 C-atoms), dienoic acids (14, 16, 18 and 20 C-atoms), trienoic acids (16, 18, 20 and 22 C-atoms), polyenoic acids (16 : 4, 17 : 4, 18 : 4, 20 : 4, 22 : 4, 19 : 5, 20 : 5, 21 : 5, 22 : 5, 22 : 6 and 24 : 6), and a large number of unknown minute components.
As above mentioned, it is noteworthy that polyunsaturated odd-numbered and branched-chain fatty acids are present in the constituents of sei whale oil.
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