Proximal composition, fatty acid profile, omegas and lipid quality in the tambaqui (Colossoma macropomum Cuvier, 1818) (Serrasalmidae) in “flatted cut”




The aimed of this study was to determine proximal composition, fatty acid profile, omegas and lipid quality in the tambaqui (Colossoma macropomum) in “flatted cut”, produced and commercializeded by Rondônia state, Brazil. Three pieces of flatted tambaqui were collected from 40 fish weighing 1.10 ± 0.10 kg. Proximal composition were determined by AOAC Official method 969.23 and 968.08. The fatty acids were grouped to calculate ratio ∑PUFAs/∑SFAs and proportion ∑PUFAs (n-6/n-3), atherogenicity index (AI) were calculated, thrombogenicity index (TI), and ratio between hypocholesterolemic and hypercholesterolemic fatty acids (HH). Were found 1.06 g/100g of mineral matter, 17.64 g/100g of crude protein, 5.74 g/100g of lipids, 75 .54 g/100g of moisture and 122.22 kcal/100g of caloric value. Lipid composition 39.425% of SFAs, 43.518% of MUFAs and 17.057% of PUFAs. It also presented ∑PUFAs/∑SFAs ratios of 2.31 and ∑PUFAs (n-6/n-3) of 3.78. As AI of 0.44, TI of 0.92 and HH of 2.02. Tambaqui meat of 1.10 ± 0.10 kg in flatted cut contains good proximal contents, with high protein content and excellent lipid content, being considered a low-fat meat, with low moisture content and low caloric value and rich in minerals. It can also be considered a good source of MUFAs and PUFAs, especially n-3 and n-6, with high nutritional value, in addition to essential fatty acids, ALA, AA, DHA and EPA, which were crucial to provide good levels of lipid quality.


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