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当前位置: 首页 > 文章 > 海水和淡水养殖花鲈肌肉脂肪酸组成和含量分析 食品科学 2010,31 (14) 209-211
Position: Home > Articles > Fatty Acid Composition of the Muscle of Lateolabrax japonicus (Cuvier) Grown in Seawater and Freshwater FOOD SCIENCE 2010,31 (14) 209-211

海水和淡水养殖花鲈肌肉脂肪酸组成和含量分析

作  者：
许建和;徐加涛;林永健;罗刚;毕祥静
单  位：
宁波市海洋与渔业研究院;淮海工学院海洋学院
关键词：
花鲈;脂肪酸;海水;淡水
摘  要：
采用Folch液回流提取投喂相同配合饲料的海水养殖花鲈和淡水养殖花鲈背部肌肉脂质,脂质经氢氧化钾-三氟化硼法甲酯化后进行气相色谱分析。结果表明:海水养殖花鲈和淡水养殖花鲈肌肉脂肪酸组成存在一定差异。海水花鲈肌肉脂肪酸中单不饱和脂肪酸(MUFA)、n-3系列多不饱和脂肪酸(PUFA)、EPA(C20:5n-3)和DHA(C22:6n-3)含量明显高于淡水花鲈,而饱和脂肪酸(SFA)、n-6系列PUFA和AA(C20:4n-6)含量则低于淡水养殖花鲈。海水养殖花鲈和淡水养殖花鲈肌肉中n-6和n-3系列PUFA比值分别为0.27和0.42,均远低于HMSO(英国卫生部)推荐的最高安全限值(4.0)。
译  名：
Fatty Acid Composition of the Muscle of Lateolabrax japonicus (Cuvier) Grown in Seawater and Freshwater
作  者：
XU Jian-he1,XU Jia-tao1,LIN Yong-jian2,LUO Gang1,BI Xiang-jing1(1.School of Ocean,Huaihai Institute of Technology,Lianyungang 222000,China;2.Ningbo Academy of Ocean and Fishery,Ningbo 315010,China)
关键词：
Japanese sea bass Lateolabrax japonicus;fatty acids;seawater;freshwater
摘  要：
Lipids in the dorsal muscle of Japanese seabass Lateolabrax japonicus grown in seawater and freshwater fortified with the same feed were extracted by reflux extraction with "Folch" solvent,esterified with KOH-BF3 method and analyzed by gas chromatography.The results indicated that an obvious difference in fatty acid profile was observed between the muscles of Japanese sea basses grown in seawater and freshwater.The muscle of Japanese seabass from seawater exhibited higher contents of monounsaturated fatty acids (MUFA),n-3 polyunsaturated fatty acids (PUFA),eicosapentaenoic acids (EPA,C20:5 n-3) and docosahexaenoic acids (DHA,C22:6 n-3),and lower levels of saturated fatty acids (SFA),n-6 PUFA and arachidonic acids (AA,C20:4 n-6).The ratios of n-6/n-3 fatty acids in the muscles of seawater and freshwater sea basses were 0.27 and 0.42,respectively.both significantly lower than maximum safety standard (4.0) recommended by the UK Department of Health.

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