Lipid Profile and Fatty Acid Composition in Eggs of Indian Featherback Fish Pholui (Notopterus notopterus Pallas) in Comparison with Body-Tissue Lipid

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The lipid class and fatty acid composition in eggs of Indian fresh water common featherback fish Pholui (Notopterus notopterus Pallas) has been studied in comparison with body tissue lipid. The mean wet weight of matured eggs are 16.3% of total weight of fish, of which 11.5% (on dry basis) is lipid. The eggs contain 6.8 times higher lipid content than that of body tissue. The major portion of the egg lipid is composed of triacylglycerol (TAG) of about 53.8% followed by the amount of phospholipid (PL, 37.0%). Among the PLs, phosphatidylcholine (PC) is predominant (about 57.1%), followed by phosphatidylethanolamine (PE, 25.7%) and phosphatidylinositol (PI, 17.4%). In body tissue lipid, the major fraction is phospholipid (72.5%) which is significantly higher than in the egg lipid (37.0%). The predominant PL fraction in body tissue is PC (51.6%) followed by PE (28.1%) and PI (20.2%). In body tissue, TAG is about 18.0% which is lower than egg TAG (53.8%). Cholesterol (CHL) contents in egg and body tissue are about 4.4% and 0.7% respectively. Total Polyunsaturated fatty acids (PUFAs) are 37.9% and 36.0% in egg and body tissue PL fractions respectively. The arachidonic acid (20:4 n-6, AA) and the eicosapentaenoic acid (20:5 n-3, EPA) in body PL are about 16.5% and 10.6% where as in egg PL fraction, AA and EPA are about 10.7% and 10.6% respectively. The findings and results of the study indicate that Notopterus notopterus body tissue and eggs both are rich in PUFAs along with high PL content in body tissue which are very much essential for human health and membrane development.
日本油化学会の論文
2004-07-01

Lipid Profile and Fatty Acid Composition in Eggs of Indian Featherback Fish Pholui (Notopterus notopterus Pallas) in Comparison with Body-Tissue Lipid

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