“…Numerous studies [ 6 , 7 , 8 , 9 , 20 , 21 , 23 , 44 , 45 , 51 , 52 , 58 , 61 , 68 , 69 , 78 , 117 , 119 ] have shown that offal contains a significant amount of high-quality protein, minerals (including iron, phosphorus, copper, magnesium, iodine, calcium, potassium, sodium, selenium, zinc, and manganese), vitamins (such as B1, B2, B6, folic acid, B12, A, D, E, and K), and essential fatty acids, especially n -3 eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA), and have a favorable polyunsaturated fatty acid (PUFA) to saturated fatty acid (SFA) ratio. The chemical composition primarily determines the favorable taste and dietary qualities.…”