Herring meat is firm and tastes good, and can be sold fresh, marinated and canned. The meat is flat, sweet, nourishing and strong.
The testis can be used to produce protamine, and the pancreas can be used as the raw material for refining insulin; the fatty acids contain eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA), which are better for extracting EPA and DHA from fish oil for pharmaceuticals Raw material; fish eggs can be made into lecithin. It is rich in fat and can be refined into artificial butter; liver is rich in vitamin A, which can be used to make cod liver oil.