Frozen tuna can be eaten raw within 1-2 days, and should not be eaten raw after that. Tuna can generally be wrapped in plastic wrap and stored in the freezer for 1-2 days. It needs to be eaten as soon as possible to ensure its freshness and nutrition. The reason why tuna should be frozen is that tuna meat contains a lot of fat, and fat autolysis and oxidation will occur when stored at room temperature, so once caught ashore, it must be slaughtered and frozen immediately.
Tuna is tender and delicious, with a high content of protein. Rich in bioactive polyunsaturated fatty acids such as docosahexaenoic acid and eicosapentaenoic acid; At the same time, it is rich in methionine, taurine, minerals and vitamins, and it is a green and pollution-free healthy food recommended by the International Nutrition Association.