EPA and DHA quantification in two species of freshwater fish from Central Amazonia

The levels of the fatty acids EPA and DHA were determined for two species of fish ( Hypophthalmus sp. and Cichla sp.), in the muscular tissue and in the orbital cavity, in two different seasonal periods in the Brazilian Amazonian area. Relatively high amounts (oil mg/g) for freshwater fish were foun...

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Bibliographic Details
Published in:Food chemistry 2008-03, Vol.107 (2), p.587-591
Main Authors: Inhamuns, Antonio José, Franco, Maria Regina Bueno
Format: Article
Language:English
Subjects:
Amazon river
basins
Biological and medical sciences
Cichla
docosahexaenoic acid
eicosapentaenoic acid
Fatty acid composition
Food industries
Freshwater fish
Fundamental and applied biological sciences. Psychology
Hypophthalmus
muscle tissues
orbits
Pisces
quantitative analysis
Seasonal variation
species differences
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Summary:The levels of the fatty acids EPA and DHA were determined for two species of fish ( Hypophthalmus sp. and Cichla sp.), in the muscular tissue and in the orbital cavity, in two different seasonal periods in the Brazilian Amazonian area. Relatively high amounts (oil mg/g) for freshwater fish were found for DHA in the two species. Hypophthalmus sp. presented a higher concentration of EPA (20 ± 3 mg/g) and DHA (18 ± 3 mg/g) in the wet seasonal period in the muscular tissue, without a significant difference between the two acids. Higher concentrations of DHA were detected in the flood period in the muscular tissue (55 ± 9 mg/g) of Cichla sp. but with reduced concentrations of EPA (5 ± 1 mg/g).
ISSN:0308-8146
1873-7072
DOI:10.1016/j.foodchem.2007.07.032