Mandarin fish inhabit rivers and lakes in plain areas, and generally like to live in the middle and lower layers of water and coastal areas with more aquatic plants. Sexually active, swimming fast, often foraging in groups.
It is a typical herbivorous fish. Overwintering in the deep water of mainstream or lake. Parent fish have the habit of swimming against the current during the breeding season. It has been transplanted to many countries in Asia, Europe, America and Africa. Because of its rapid growth and wide sources of feed, it is one of the four largest freshwater fish in China.
Extended data of nutritional components of grass carp
The contents of umami amino acids glutamic acid and aspartic acid and sweet amino acids glycine and alanine account for 29.90% and 38.34% of the total dry matter and amino acids respectively. ?
The delicacy of animal protein depends on the content of amino acids. Grass carp is rich in meat, total amino acids, essential amino acids and umami amino acids. Its umami amino acids are close to essential amino acids, and glutamic acid and aspartic acid are the most abundant.
It is also an important amino acid in biochemical metabolism of brain tissue and participates in the synthesis of various physiological functional substances, so it is a fish with high quality animal protein, delicious taste and high nutritional value.
The amino acid pattern of grass carp muscle is basically the same as that of FAO/ WHO, and the essential amino acid composition is relatively balanced and rich. The researchers measured the related characters of grass carp, black carp, bighead carp, silver carp, crucian carp and perch, and found that the protein content of grass carp fish (18.20%) was higher than that of other four main fish, and the fat content was also lower (1.97%).
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