Applications of seafood by-products in the food industry and human nutrition

Abstract

The seafood processing industry generates more than 60 % as by-products, which include bycatch and other secondary products derived from a manufacturing process, such as heads, gills, skin, trimmings, fins, frames, bones, viscera, blood, and roes of commercial fish species. These by-products can be transformed into valuable products, such as fish oils, fish enzymes, gelatin, collagen, carotenoids, chitin, chitosan, glucosamine, functional foods, nutraceuticals, antifreeze compounds, surimi, fish protein hydrolysates, fish protein concentrates, and fermented fish products; hence, they can be utilized in the food industry and for human nutrition. Fish oil, which has numerous health benefits, c..