1. Being rich in complete protein. Fish contain large amounts of protein, such as yellow croaker contains 17.6% octopus 18.1%, mackerel 21.4%, silver carp 18.6%, common carp 17.3%, and carp 13%. The protein in fish is complete protein, and the amount and ratio of essential amino acids contained in protein are most suitable for human needs, being easily digested and absorbed by the body.
2. Low fat content and most is unsaturated fatty acids. The fat content of fish is generally lower and the majority of fish only contains 1% - 4%, such as yellow croaker containing 0.8%, octopus containing 3.8%, mackerel containing 4%, silver carp containing 4.3%, carp containing 5%, crucian containing 1.1%, bighead carp fish (Pan Touyu) containing only 0.9%, cuttlefish containing only 0.7%. Fish fat is mainly composed of unsaturated fatty acids, of which the carbon chain is longer, playing a role of lowering cholesterol.
3.
A higher content of inorganic salts and vitamins. Marine fish and freshwater fish are rich in sulfur, as well as phosphorus, calcium, iron and other inorganic salts. The fish is also rich in vitamin A, vitamin D, vitamin B1, and niacin. These are the essential nutrients of the body.4. Fish contains folic acid, vitamin B2, vitamin B12 and other vitamins, having the effects of nourishing stomach, diuresis swelling, smoothing breast, clearing heat and detoxifying, stopping cough and calming down breath. It is also effective in treating all kinds of edema, edema, abdominal distension, oliguria, jaundice milk barrier.
5. Eating fish has a good effect on fetal irritability and edema of pregnancy for pregnant women.
6. Fish is rich in magnesium, which has a good protective effect on the cardiovascular system, being conducive to the prevention of hypertension, myocardial infarction and other cardiovascular diseases;
7. Fish rich in vitamin A, iron, calcium, phosphorus. Often eating fish has the effects of nourishing the liver and enriching the blood, moisturizing the skin and nourishing hair.
In addition, the muscle fibers of fish are relatively short, the organizational structure of protein is loose, and the moisture content is high, thus the meat relatively fresh and tender. Compared with poultry meat, fish meat tastes softer and tender, being also more easily digested and absorbed. Therefore, it can be seen that the fish is characterized by high protein, low fat, rich content of vitamins and minerals, good taste, easy digestion and absorption.
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