The nutritional value and comprehensive utilization of carp

The squid is the oldest and most primitive finfish on the planet. It is one of the oldest vertebrate species in existence. It originated from ancient bony fish 200 million years ago. Sclerophylla, Scorpionidae, Polygonaceae.
According to reports, there are 27 species of squid in the world and 8 species in China. The three species of Chinese squid are Chinese sturgeon, Amur sturgeon, and Daphnia magna. Among them, the important species of Chinese sturgeon is a rare aquatic animal in China. It not only has important scientific research value and special academic significance, but also has high economic value and medicinal value. It has been listed as a first-class protected animal by the country and is a popular aquatic product among people of all ages. The comprehensive utilization of carp is a special treasure of our country. It has delicious meat, soft bones and high nutritional value. The protein content of carp meat and eggs can be as high as 18% and 29%. Calculated at a seeding rate of 25% of carp females, the fish still accounted for more than 75%, and the processing potential was huge. The processed eel meat was processed into small-packed smoked products, grilled fish fillets, fried fish fillets, fish liver and smoked grilled fish sausages. Such as in the international market is very popular with merchants. According to market research, western Europeans and Americans are interested in smoked eel products and their prices are considerable. Domestic large hotels and restaurants have also been using smoked products to entertain customers. The whole body of the squid is a treasure, and its utilization rate is extremely high. Apart from squid, its fish belly, fish nose, fish ribs, fish bones, etc. can all make unique Chinese famous dishes. All of them are of superior cuisine and have a good aftertaste. Infinity, often appears on the dinner table of the state banquet; fish skins can be made of glue, but also high-grade leather raw materials; high-calcium delicious foods made from fish bones as raw materials, have unique medicinal value, to prevent osteoporosis in the elderly, enhance Body immunity, improving brain vitality, and promoting human health are very beneficial. The rare salmon roe sauce is particularly worth mentioning is the "black gold" known as the salmon roe sauce, is processed from the salmon eggs, it is also a well-known Chinese and foreign high-end food, is very popular in the international market. The market price in 1997 was that salmon was US$64/kg, salmon roe was US$300/kg, and salmon roe was as high as US$500 to US$700/kg. It was still rising and was in short supply. The nutritional value of the cod roe seeds is basically the same. They are dark brown transparent round granules containing high protein, trace elements and various vitamins. The salt-treated salmon roe sauce is collectively called black caviar sauce and is the leading industrialization of squid processing. Because of its high price, the product is known as "black gold." Raw fish used for processing of caviar sauce must be living bodies, and the ratio of male to female is generally 1:1. Due to the difference in egg size of various kinds of salmon, it is necessary to further classify and process. The general processing procedure of black caviar sauce is: live fish → bloodletting → oocyte removal → separating eggs → washing and controlling water → pickling → draining → canned. The main components of the finished product are as follows: protein 26% to 29%, fat 13% to 17%, moisture 50%, ash 0.5% to 1.0%, and salt 3% to 4%. In addition also contains a variety of amino acids, the main essential amino acid content is: threonine 3.15%, proline 3.09%, methionine 0.98%, leucine 4.91%, isoleucine 2 .83%, 2.13% of phenylalanine and 4.81% of lysine. It can be seen that the content of lysine is relatively high, the proportion of essential amino acids is also close to the body's amino acid composition, and it is also raw food, so its nutritional value Higher. The ornamental value of carp Carp is a cartilaginous hardliner. It is an ancient fish and is called a living fossil. It has a unique shape, a conical body, a flat face on the head and trunk, and five rows of bone plates with sharp spines. The armor and the boat are black and grey, white on the abdomen, and tail-shaped. The view has a deep, simple and unique feeling. The ornamental value is very high. It is regarded as a superior ornamental fish in Southeast Asia, Hong Kong, Macao and Taiwan. . In recent decades, due to environmental pollution and human factors such as overfishing, the ecosystem of catfish has been severely damaged, resulting in the extinction of some catfish species. In order to save these endangered species, various countries in the world have done a lot of fruitful research on the breeding, releasing and breeding of catfish. With the successful breeding of carp, not only has China added more abundant new varieties, it has set off a new upsurge of carp breeding in China, and it has met the market demand, and has achieved greater economic benefits in terms of foreign exchange earned through exports.