It was evaluated the limiting nutrients and n‐3 polyunsaturated fatty acid content of different fish species in order to determine which could be beneficial to renal patients. 14 common consumption fish were analyzed by its protein, lipid, n‐3 fatty acids (EPA+DHA), phosphorus, cholesterol, vitamins and minerals content, using the AOAC techniques. Phosphorus content varied from 50.86 – 227.52 mg/100g and protein content in all species ranged from 14.7 to 25.5g/100g. EPA+DHA extended from 3.83 to 1667.4mg/100g. Considering the phosphorus‐protein ratio recommended for renal patients, all studied species, except Swordfish, Black bullhead and Spotted scorpionfish, could be included in their diet without risk. By its risk/benefit (phosphorus/n‐3 fatty acid) coefficient Parrot sand bass, Black bullhead, Swordfish, Longjaw leatherjacket, Oilfish, Atlantic tripletail and Round herring could be administered in the renal diet. Fish species can be incorporated in renal diet taking in count that the nutrition therapy could include those species that, because of their nutritional content and risk/benefit ratio, must accommodate the patient's requirements.
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