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首页> 外文期刊>Journal of Oleo Science >Fatty Acid Compositions of Various Tissue Lipids in the Marine Bivalves, Megangulus venulosus and Megangulus zyonoensis, from Coastal Waters of Hokkaido, Northern Japan
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Fatty Acid Compositions of Various Tissue Lipids in the Marine Bivalves, Megangulus venulosus and Megangulus zyonoensis, from Coastal Waters of Hokkaido, Northern Japan

机译：日本北海道近海海域双壳类动物，脉轮虫和脉轮虫的各种组织脂质的脂肪酸组成

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摘要

Various tissue lipids from the marine bivalves, Megangulus venulosus (M. venulosus) and Megangulus zyonoensis (M. zyonoensis), were analyzed for comparison of major fatty acids and their distribution. The main fatty acid components in this genus in all tissues were found to be 16:0 (11.0-15.2%), 18:0 (4.1-8.6%), 20:5n-3 (13.3-25.6%) and 22:6n-3 (8.1-16.7%), with n-3 polyunsaturated fatty acids most abundant. The proportion of 20:5n-3 was higher in M. zyonoensis than in M. venulosus, and 22:6n-3 was higher in M. venulosus than in M. zyonoensis. The proportions of 20:5n-3 and 22:6n-3 were highest in muscle tissue lipids from M. venulosus and M. zyonoensis, at 33.1% and 36.2%, respectively. The distribution of major fatty acid components in neutral (NL) and polar lipids (PL) was determined, with 16:0 and 20:5n-3 shown for NL, and 16:0, 20:5n-3 and 22:6n-3 for PL. The proportion of 22:6n-3 in NL and PL differed significantly, 22:6n-3 being much higher in PL. The main branched fatty acid component, 4,8,12-trimethyltridecanoic acid, was found mainly in PL of viscera tissues from either species. In addition, 2-hydroxypentadecanoic, 2-hydroxyhexadecanoic and 2-hydroxyheptadecanoic acids were also found to be present in the two species and this presence of 2-hydroxy fatty acids in the genus Megangulus is reported here for the first time.
机译：分析了来自海洋双壳类动物，脉轮虫（M. venulosus）和脉轮虫（Megangulus zyonoensis）（M。zyonoensis）的各种组织脂质，以比较主要脂肪酸及其分布。发现该属在所有组织中的主要脂肪酸成分分别为16：0（11.0-15.2％），18：0（4.1-8.6％），20：5n-3（13.3-25.6％）和22：6n -3（8.1-16.7％），其中n-3多不饱和脂肪酸含量最高。酵母菌中20：5n-3的比例高于金葡菌，而葡萄菌中22：6n-3的比例高于酵母。 20：5n-3和22：6n-3的比例在维氏支原体和酵母支原体的肌肉组织脂质中最高，分别为33.1％和36.2％。确定了主要脂肪酸成分在中性（NL）和极性脂质（PL）中的分布，其中NL显示为16：0和20：5n-3，16：0、20：5n-3和22：6n- PL为3。 NL和PL中22：6n-3的比例差异显着，PL中22：6n-3的比例高得多。主要的支链脂肪酸成分4,8,12-三甲基十三烷酸，主要存在于任一物种的内脏组织的PL中。另外，在这两个物种中还发现了2-羟基十五烷酸，2-羟基十六烷酸和2-羟基十七烷酸，并且在此首次报道了Megangulus属中2-羟基脂肪酸的存在。

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