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On the fatty acid composition of fish affected by excessive stress






Nippon Suisan Gakkaishi 43(10): 1189-1194

On the fatty acid composition of fish affected by excessive stress

The flesh lipids of gilled and impounded sardine, Sardinops melanosticta, were compared. In gilled fish, the ratios of neutral lipids to phospholipids increased with a decrease of the latter. The acid values of the neutral lipids were significantly high in dead gilled fish. There was little difference between gilled and impounded fish in the fatty acid compositions of triglycerides or neutral lipids. The phospholipid fatty acids of gilled fish showed a remarkable decrease of 20:5 and 22:6 acids and an increase of 16:0 acid. The obvious decrease of polyenoic acids in the phospholipids of the gilled fish might be due mainly to a metabolic peculiarity induced under excessive stress.

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Accession: 006027097

DOI: 10.2331/suisan.43.1189



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