Slate is pronounced mǐn, the common name for cod.
Expanded Information
Cod, is a marine fish animal of the genus Cod in the family Codidae of the order Codiformes. Cod's body is extended, slightly laterally compressed, the tail is tapered backward, generally body length 25-40 cm; head is large, mouth is large, the upper jaw is slightly longer than the lower jaw, there is a chin whisker in the lower jaw; the body is covered with small rounded scales, the lateral line of scales is not obvious; the dorsal fins are three, the anal fins are two; the back and the upper side of the side of the gray-brown color, there are a lot of irregular brown and yellow mottling; the ventral surface of the gray-white color, the fins are all gray.
Cod is mainly found in China in the Yellow Sea, the Bohai Sea and the northern part of the East China Sea, as well as in the Pacific Ocean, the Atlantic Ocean, and the cold northern waters. Cod inhabits the cold water area in summer and fall, and migrates to the coastal mud-bottomed waters at a depth of 50-80 meters in winter for overwintering, and usually forms schools for long-distance migration and feeding activities, and it is a cold-water aggregation fish at the bottom. Cod mainly feeds on small fish, crustaceans and mollusks.
Nutritional value
Cod's meat is white, fine and tender, thick and spiny, with a sweet flavor and a clean taste, and it is the main edible fish in many countries in the world. Cod low-fat, less thorns, is suitable for both young and old nutritious food. Cod is rich in nutrients, such as: protein, vitamin A, vitamin D, calcium, magnesium, selenium and other nutrients.
Cod its protein content than salmon, crucian carp, pomfret and scallop are high; and fat content than scallop 7 times lower than the salmon about 17 times lower. Cod fish fat contains globulin, albumin, etc., but also contains a variety of amino acids necessary for the development of children, its ratio and children's needs are very similar, very easy to be digested and absorbed by the human body.
Cod's liver is large and high in oil content (oil content of 20-40%), in addition to being rich in all the DHA and EPA of common fish oil, it is also rich in vitamins A, D, E and other vitamins essential to the human body, which is a high-quality raw material for extracting cod liver oil. The ratio of these nutrients in cod liver oil is the optimal ratio of the daily requirement of human body.
In addition, cod meat is rich in magnesium, which is conducive to the prevention of hypertension, myocardial infarction and other cardiovascular diseases, the cardiovascular system has a good protective effect. Therefore, cod in Europe is known as the "gold in the sea" and "table nutritionist".