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http://dx.doi.org/10.5352/JLS.2002.12.3.233

Seasonal Variation of Lipids and Fatty Acids of Sharp Toothed Eel(Muraenesox cinereus)  

안창범 (여수대학교 식품공·영양학부)
신태선 (여수대학교 식품공·영양학부)
Publication Information
Journal of Life Science / v.12, no.3, 2002 , pp. 233-241 More about this Journal
Abstract
Seasonal variation of uraenesox cinereus) muscle was investigated. Crude lipid content varied from 3.85 to 12.59 g/100g, comprising the highest content in November. The major fatty acids of total lipid, neutral lipid, and phospholipid were C16:0, C23:0, C16:1, C18:1, C20:5, and C22:6, but in phospholipid, Cl8:3n-6 was also the major fatty acid. The C22:6 content of the neutral lipid was much lower compared to that of the total lipid and phospholipid. The content of polyunsaturated fatty acids (ranged from 73.93 to 66.23%) in phospholipid was higher than that of any other lipid fraction. In glycolipid, C20:1 and C14:1 were higher compared to those of any other lipid fraction, but C20:5 and C22:6 were lower. The annual average ratio of n-3 to n-6 of total lipid, neutral lipid, phospholipid, and glycolipid was 10.82, 12.27, 6.63, and 6.50, respectively. The particular trend of seasonal variation of fatty acid composition was not showed in total and neutral lipid. However, the samples caught in September and November had a high crude lipid content with a significantly lower content of polyunsaturated fatty acids in phospholipid. Also, the content of monounsaturated fatty acids in glycolipid was lower in samples of September, November, and January.
Keywords
Sharp toothed eel; seasonal variation; crude lipid; fatty acid;
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