Abstract
Some species of fish and other aquatic organism are important sources of protein and fatty acids that are beneficial to human health and can be industrially processed. The fatty acid profile of Melanosuchus niger (native to the Brazilian Amazon flooded forest) was determined in samples of a protein concentrate (PC) there was obtained from processing residues. The PC was prepared from cooked muscle portions and NaCl (1.5%) using an adiabatic process. Saturated fatty acids such as stearic acid (0.59%) and palmitic acid (1.43%) were present. The levels of the unsaturated fatty acids omega-6 (ω-6) and omega-3 (ω-3) linolenic acids were 0.32% and 0.15%, respectively. In conclusion, Black caiman PC seems to provide essential fatty acids for human nutrition. Clinical studies are necessary to assess the influence of fatty acids from Amazon Caimans on human diet and the feasibility of obtaining new products such as nutraceuticals.
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