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Type: Artigo de periódico
Title: Seasonal Variations In Total Fatty Acid Composition Of Muscles And Eye Sockets Of Tucunaré (cichla Sp.) From The Brazilian Amazon Area
Author: Inhamuns A.J.
Franco M.R.B.
Batista W.S.
Abstract: Seasonal variations in total fatty acid compositions of tucunaré, Cichla sp. in the Janauacá Lake of the Amazon basin were determined by GC. Saturated fatty acids (SFAs) were found to be at higher concentrations than monounsaturated fatty acids (MUFAs) and polyunsaturated fatty acids (PUFAs) in two seasonal periods. Major fatty acids were palmitic (16:0, 48.5-51.6% of total SFA), oleic (18:1ω9, 43.9-50.2% of total MUFA), docosahexaenoic (DHA, 22:6ω3, 13.5-27.9% of total PUFA) and arachidonic acid (AA, 20:4ω6, 16.0-19.6% of total PUFA). Polyunsaturated fatty acids were the most abundant in muscle during the flood period, and more especially fatty acids 22:6ω3 (10%) and 20:4ω6 (7%). There were no significant variations amongst total lipid SFA, MUFA, and PUFA from eye sockets. The ω6 fatty acid percentages were always higher than the ω3 fatty acid percentages in tucunaré, with ω6/ω3 ratios varying between 1.02 and 1.6 in the flood and drought periods. © 2009.
Citation: Food Chemistry. , v. 117, n. 2, p. 272 - 275, 2009.
Rights: fechado
Identifier DOI: 10.1016/j.foodchem.2009.03.113
Date Issue: 2009
Appears in Collections:Unicamp - Artigos e Outros Documentos

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