Fish is lean meat. 100g fish contains less than 2g fat, while 100g sausage contains more fat than 10g. Even the greasiest Norwegian salmon contains only half as many calories as pork chops. Fish is also an important source of protein. Fish is easy to be absorbed by human body, and 100g fish can guarantee half of protein required by human body every day. Fish also provides vitamins a, d, e and so on. What the human body needs.
Fish also contains a variety of fatty acids, which can prevent the increase of blood viscosity, effectively prevent the occurrence of heart disease, and strengthen the brain and nerve tissue and the retina of the eyes. For pregnant women and babies, these fatty acids are even more indispensable. A recent study by scientists shows that fatty acids also play a role in treating chronic inflammation, diabetes and some malignant tumors.
Extended data:
Fish is the oldest vertebrate. They inhabit almost all aquatic environments on earth-freshwater lakes, rivers, saltwater seas and oceans.
There are about 32,000 kinds of fish in the world. Fish live in water, distributed in the ocean and fresh water, of which two thirds live in the ocean and the rest live in fresh water. There are 2,500 species in China, of which 100 is a kind of medicine. Common medicinal animals are the main raw materials of cod liver oil (vitamin A and vitamin D) of hippocampus, syngnathus, Monopterus albus, carp, crucian carp, sturgeon (swim bladder glue) and Pseudosciaena crocea (otolith is brain stone).
Fish is an important food for human beings. Overfishing, pollution and environmental changes will destroy fish resources, which will help control mosquito-borne diseases such as malaria. Fish is an important experimental animal in behavior, physiology, ecology and medicine.
References:
Baidu encyclopedia-fish