Chemically, cod-liver oil is a typical . It is high in omega-3 , a valuable aspect in nutrition but one th.... acid, produc

Cod-liver oil is a mixture of glycerides of many fatty acids, predominantly oleic acid, gadoleic acid, and palmitoleic acid. The chief countries producing cod-liver oil are Norway, Japan, Iceland, and Poland. Fresh cod livers are digested by steam, water, acid, or alkali to produce the oil.