What is squid beard?

Squid whiskers are squid feet. A squid has eight legs, which means a squid has eight squid whiskers.

After the squid comes out of the water, it will be hung in the sun to dry, and its feet will be stretched like rubber. After drying, it looks like whiskers, hence the name squid whiskers. Squid whiskers have high nutritional value. It is rich in protein, calcium, taurine, phosphorus, vitamin B 1 and other nutrients needed by human body, with extremely high content. In addition, the fat content is extremely low and the cholesterol content is high.

Squid is a decapod squid. Squid body is conical, light brown, with light brown spots, big head, 10 touch foot in front, and fleshy fin at the end is triangular. It often moves in the middle and upper layers of shallow water and feeds on krill, sardines, whitebait and Xiao Xiong fish. Mainly distributed in tropical and temperate shallow seas.

There are a pair of developed gills around the mouth on both sides of the head. It often moves in the middle and upper layers of shallow water, and the vertical movement range is above 100 meters. The slender body is a long cone, which feeds on krill, sardines, whitebait and small male fish, and is also the prey of fierce fish. Eggs are matured in batches and produced in batches. Eggs are wrapped in gelatinous egg sheaths, and each egg sheath contains several to hundreds of eggs according to different species. The amount of eggs laid by different species also varies greatly, ranging from several hundred to tens of thousands. Squid has two gills as respiratory organs; China squid (commonly known as "squid") has a short neck and a short head, and its meat quality is tender. Its dried product is called "dried squid" and its meat quality is excellent. It enjoys a high reputation in the seafood market at home and abroad, with an annual output of 40,000-50,000 tons. The main fishing grounds are Beibu Gulf in Hainan, China, southern Fujian, Taiwan Province Province, Guangdong, Hebei and Bohai Bay in Guangxi, as well as the offshore of the Philippines, Vietnam and Thailand. There are Beibu Gulf and Bohai Bay in the South China Sea.

Squid, although it is customary to call them fish, is actually not a fish, but a mollusk living in the ocean, with a slender, long cone-shaped body and a sucker at the front end. Squid has two gills as respiratory organs; The body is divided into head, short neck and trunk. The body is slender and has a long cone shape, and two of them are longer. Taxonomically, squid belongs to mollusca-Cephalopoda-Diptera-Decapoda. There are a pair of developed eyes and wrist feet around the mouth on both sides of the head.

It often moves in the middle and upper layers of shallow water, and its vertical movement range can reach more than 100 meters. It feeds on krill, sardines, whitebait and Xiao Xiong fish, and is also the prey of fierce fish. Eggs are matured in batches and produced in batches. Eggs are wrapped in gelatinous egg sheaths, and each egg sheath contains several to hundreds of eggs according to different species. The amount of eggs laid by different species also varies greatly, ranging from several hundred to tens of thousands.

The annual output of squid (commonly known as "squid") in China is 40,000-50,000 tons. Its main fishing grounds are Bohai Sea in China, southern Fujian, Taiwan Province Province, Guangdong and Guangxi, as well as the offshore areas of the Philippines, Viet Nam and Thailand.

Mainly distributed in tropical and temperate shallow seas.

Squid is a precious seafood. The sex of squid fry is artificially controlled. From hatching to 10 month old, the weight of male squid can reach 700 grams, while that of female squid is only 300 ~ 400 grams. Therefore, experts are discussing how to turn most squid into males, thus greatly increasing the output of squid.

The main method is to mix squid androgens with squid eggs three weeks before hatching (that is, mix fertilized eggs with androgens that have not shown sexual characteristics for hatching), and the hatched young squid males can reach 75%.

Some cultured squid can grow very big, with tender meat and delicious taste.

Plastic bottle culture

Using wild young octopus, put it in a 500ml waste beverage bottle with fine holes, seal the bottle mouth, string it up with a rope, naturally hang it in the sea, and add floating balls at appropriate intervals. The effect is good. This method is simple, but the growth rate of octopus is slow, which is suitable for plankton-rich sea culture.

Cement pond culture

Eight cement ponds with a depth of about 20 square meters and 80 centimeters were used. The bottom of the pond is covered with 20-30 cm thick sea mud (50 cm in the center of the pond), and precipitated seawater is injected, and the octopus larvae with the size of 65,438+00-50 g (about 40 g on average) are successively placed on the beach. Feed 1 time every afternoon. The bait is live crabs dug from the beach (2-6g individuals, with an average of 300 crabs/kg). Indoor light is between 800 ~ 1000 LX. In the process of culture, the precipitated seawater is used to change water (100%) times every day. As long as you pay attention to changing water in high temperature season, octopus generally won't die After about 6 months of feeding, the number of individuals before fishing is generally 50 ~ 100 g (about 70g on average). This method is simple and easy to operate, with low technical requirements, and is suitable for small-scale family farming.

Purse seine culture

Octopus is cultivated on the beach in the middle high tide area, with a dense net circle of about 3000 square meters. When the dew ebbs, the octopus hides in the hole. However, the mesh of purse seine should be higher than the highest tide level to prevent escape. This method is simple and low cost, but it has a large workload and a large excavation area when harvesting.

Cleaning method

We often see some food poisoning caused by eating unclean squid products, so how to clean squid at ordinary times?

In order to sell squid well and keep it for a long time, the hotel market likes to "keep" squid. In order to keep fresh and pursue good sales, some unscrupulous traders use chemical products to "save face" for squid: "pepper buds" to make squid; Formaldehyde can make the deteriorated squid "come back to life", and sodium benzoate can make the squid "stay young forever" ... How to remove these harmful substances?

Don't soak squid with detergent such as detergent. These substances are difficult to clean and easy to remain in squid, causing secondary pollution.

Experts said that in fact, when we eat squid in our daily life, it is best not to go to street stalls to eat it, or to eat it at home. We must pay attention to the hygiene and cleanliness of squid.

Applicable people: most people can eat it.

Usage: 30 ~ 50g each time.

Special note: squid should be cooked before eating, because there is a polypeptide component in fresh squid, and people with spleen and stomach deficiency and cold should eat less.

Mushroom and squid soup

Ingredients: water-soaked squid 100g, pickled mushrooms 50g, shrimp 20g, minced meat 20g, winter bamboo shoots 30g, cooking wine, refined salt, monosodium glutamate, sugar, chopped green onion, water starch, pepper, cooked lard and sesame oil.

Method: Cut the squid into an oblique square with a length of 3 cm, blanch it in boiling water, and drain the water; Pedicled mushrooms, washed and sliced; Add lard to the pot and cook, stir-fry chopped green onion, minced meat, sliced winter bamboo shoots and sliced mushrooms, inject clear water, then add soaked shrimps, cooking wine, refined salt and white sugar, bring to a boil, add squid slices, thicken with water starch for a while, add monosodium glutamate and pepper, and drizzle with sesame oil.

Squid is a precious seafood with high nutritional value.

1. Squid is rich in calcium, phosphorus and iron, which is beneficial to bone development and hematopoiesis and can effectively treat anemia;

2. Squid is rich in amino acids needed by protein and human body, and also contains a lot of taurine, which can inhibit the cholesterol content in blood, relieve fatigue, restore vision and improve liver function;

3. Polypeptide and selenium contained in it have anti-virus and anti-radiation effects;

4. Professor Xin from the Institute of Oceanography, Chinese Academy of Sciences said that cholesterol can be divided into low density and high density, and the cholesterol in squid is mainly high density, which is beneficial to human body. The fat structure of squid is obviously different from that of livestock and poultry.

5. Contains protein, omega-3 fatty acids, copper, zinc, B vitamins and iodine. B vitamins help to relieve migraine and phosphorus helps to absorb calcium. 100g squid has only 70kcal energy. Note: Don't eat squid more than one fist every day, and it is best not to fry it when eating.

Chinese medicine believes that squid has the functions of nourishing yin, nourishing stomach, tonifying deficiency and moistening skin.

Its nutritional value is not inferior to beef and tuna. Every100g of dried squid contains 66.7g of protein and 7.4g of fat, and contains a lot of carbohydrates and inorganic salts such as calcium, phosphorus and sulfur. The protein content of fresh squid is as high as 16% ~ 20%, and the fat content is extremely low, which is only about 4% of that of ordinary meat, so the calories are far lower than those of meat food. Eating squid is a good choice for people who are afraid of obesity. Taurine content is very high. Eating squid can effectively reduce the cholesterol accumulated on the blood vessel wall, which is quite effective in preventing arteriosclerosis and gallstones. At the same time, it can supplement brain power and prevent Alzheimer's disease. Therefore, squid is a healthy food for middle-aged and elderly people who are prone to cardiovascular diseases.

Modern medicine has found that although the cholesterol content in squid is high, it also contains a substance-taurine, which can inhibit the accumulation of cholesterol in blood. As long as the ratio of taurine to cholesterol in food is above 2, the cholesterol in blood will not increase. However, the content of taurine in squid is higher, and its ratio is 2.2. Therefore, when eating squid, cholesterol is only used normally by the human body and will not accumulate in the blood. Most of the cholesterol in the body is concentrated in its internal organs. There is no need to worry that eating squid will increase cholesterol intake.

Edible tip

Squid should be cooked thoroughly before eating, because there is a polypeptide component in fresh squid, which will lead to intestinal motility disorder if it is not cooked. Squid and other aquatic products are cold, and people with spleen and stomach deficiency should eat less. Squid contains more cholesterol, so patients with cardiovascular diseases and liver diseases such as hyperlipidemia, hypercholesterolemia and arteriosclerosis should be careful to eat it. Squid is a hair product, and people suffering from eczema, urticaria and other diseases should not eat it. Usage: 30 ~ 50g each time.

efficacy

In terms of efficacy, squid has the effects of tonifying deficiency and benefiting qi, nourishing yin and beautifying face, reducing the concentration of cholesterol in blood, regulating blood pressure, protecting nerve fibers and activating cells, which has a certain effect on preventing Alzheimer's disease. In addition, squid also helps to detoxify the liver, promote the body's metabolism, and has anti-fatigue, yin beauty and anti-aging effects.