Coastal and mainland prices are not the same, the recent Guangzhou auction of a tuna 55,000, 45.8KG, calculated are more than six hundred per catty. Japan has had a sky-high auction, of course, there is advertising ingredients, but others have eaten sashimi culture and the vast market. That 269KG fish is more than 5,000 pounds. So you can estimate it yourself. Tuna is also called tuna, Hong Kong called tuna, and bluefin tuna the largest species in the tuna family, also known as blackfin tuna. It is the wildest life in the ocean, they are usually 2-2.5 meters long and the longest is over 4 meters. It can swim 60-80km/hour, with a maximum speed of 160km/hour, and has a short, sturdy, tapered, elongated body with crossed caudal fins; the underside of the body is brightly colored from the bottom to the sides, while the upper body is dark blue, the fins are a darker shade of darker coloration, the small fins are slightly yellowish, and the caudal peduncle has a black elevated crest. The tuna's flesh is red in color, which is due to the high amount of myoglobin contained in the tuna's muscles.

Explaining the red body of each part of tuna

Taken from the back of the fish, tuna has the most red body and the least amount of fat. Because of the low fat content, the meat is firm and chewy. The refreshing flavor and acidity contained in albacore have a charm that is unmatched by other parts of the fish. It has a quiet and delicate flavor, and the terracotta matches well with soy sauce, so it is often used to make sushi with terracotta. The mid-fat, which is located below the dorsal fin, is the most popular part of the tuna because it has an excellent balance between the red body and the fat. When the tuna is cut and shaped, there is a wide range of parts that can be used as nakama, with the reddish-colored flesh being eaten as nakama, and the part with a slightly higher fat content being cut off at the edge, resembling a pencil, which is suitable for kneading sushi, and is also called the "king of nakama" (the fat). "

The big fat part is like "snowflake beef," rich in fat, tender and melt-in-your-mouth, and the most expensive part of tuna meat. Even when made into bite-sized sushi, the fat lines of the big fat are still clearly visible. The lower part of the belly is called the "serpent's belly".

For people tuna has the following unexpected effects:

1. strong bones

Tuna can tonify the deficiency of yang, in addition to rheumatism, strong bones and bones, regulating blood glucose, hypogonadism, diabetes, impotence, rheumatism and paralysis, weakness and other diseases have prevention and treatment effects.

2. Supplemental calcium

Tuna meat is a high-calcium food, which helps the health of teeth and bones.

3. Promote brain development

Tuna is rich in tyrosine, which can help the production of neurotransmitters in the brain, so that people can concentrate and think actively. Tuna fish eyes contain docosahexaenoic acid, the substance has the role of promoting children's brain development, delaying the decline of memory in the elderly.

4. Reduce cholesterol

Tuna contains a large number of myoglobin and cytochrome, fatty acids, mostly unsaturated fatty acids, has the effect of lowering blood pressure and cholesterol, is the ideal food for the prevention and treatment of cardiovascular disease.

5. Beauty and weight loss

Tuna meat low-fat, low-calorie, and high-quality proteins and other nutrients, eating tuna food, not only to maintain a slim figure, but also balance the body's nutritional needs, is the ideal choice for modern women to lose weight easily.

6. Protect the liver, strengthen the liver function of modern people due to the tense pace of life, great work pressure, over fatigue caused by a series of liver disease incidence is increasing day by day. Tuna is rich in DHA, EPA, oxalic acid