Canned fish is a ready-to-eat canned product made from fresh or frozen fish after processed, canned, seasoned, sealed, and sterilized.According to different processing methods, canned fish is classified into brine, tomato sauce and vegetable oiled.

Fish is rich in nutrients, not only because of its high protein content, but also easy to digest. It contains B vitamins and minerals such as calcium, zinc, selenium and iodine. It is also because it is rich in Omega-3 fatty acids and is used to prevent cardiovascular and cerebrovascular diseases.The calcium content of canned fish has increased by more than 10 times compared with fresh fish, and there are no losses of minerals such as iron, zinc, iodine and selenium. Therefore, eating Canned Mackerel has a certain meaning for replenishing minerals.

The shelf life of canned fish is as high as 24 months, and many consumers think this is because it contains preservatives. Actually not. Canned food is an important food processing method. It is to put the raw materials in a sealed container through exhaust gas, treat it with high temperature, kill various microorganisms and bacteria, destroy the activity of enzymes, and prevent external pollution and oxygen from entering. Keep the food stable and edible for a long time. Therefore, most of the Canned Sardine are not added with preservatives, so consumers can safely eat.