How to choose good or bad squid, how to choose fresh squid

Method 1: Look at the epidermis. First of all, we should observe the skin of the squid while selecting it, if we find that the skin of the squid is shiny, press it with our hands, and it will feel elastic.

The flesh of the squid is also relatively firm, indicating that such a squid is fresh, if you press the skin of the squid with your fingers, you will find that the skin of the squid is not elastic, which means that the quality of such squid is very poor.

**。Method 2: Look at the body type. When choosing a squid, we first look at the body shape of the squid, if the body shape of the squid is complete, and then see if the head, stomach, beard, etc. of the squid are complete, indicating that the more complete the squid, the better the quality.

When choosing squid, we first have to smell the squid with our nose, if we smell a foul smell on the squid's body, or a pungent smell of pollution, it means that the squid has gone bad and may have deteriorated, don't buy such squid, a good squid should smell like a normal seaweed smell.

When buying squid, it is recommended that you try to choose the morning to buy, because in the morning squid vendors have just bought fresh squid from the seaside, if you go to buy squid at noon and afternoon, then there may be some squid body problems, because the squid has been placed for too long, and the squid has spoiled.

High-quality squid has a complete and solid body shape, pink color, shiny, slightly white frost on the body surface, fat and translucent, and the back is not red. Inferior squid is thin and mutilated, red and slightly black in color, dull, with too thick hoarfrost on the surface, and a black-red or moldy red back. The way to tell if a squid is fresh is:

Press the membrane on the squid, and the membrane of the fresh squid is firm and elastic. You can also pull the head of the squid, the head of the fresh squid is tightly connected to the body and is not easy to tear off. This method can also be used to determine the freshness of cuttlefish.

Squid has the function of nourishing yin and nourishing the stomach, replenishing deficiency and moisturizing the skin.

Its nutritional value is not inferior to that of beef and tuna, and it contains a lot of carbohydrates.

and calcium, phosphorus, sulfur and other inorganic salts. The protein content of fresh squid is also as high as 16% 20%, and the fat content is very low, only about 4% of ordinary meat, so the calories are far lower than meat food, and eating squid is a good choice for people who are afraid of obesity. There is a higher content of taurine.

Consumption of squid is effective in reducing the cholesterol accumulated in the walls of blood vessels.

It is effective in preventing arteriosclerosis and gallstones. At the same time, it can supplement brain power and prevent Alzheimer's disease. Therefore, for middle-aged and elderly people who are prone to cardiovascular diseases, squid is a healthy food.

If you want to be good or bad about the squid, first look at the head and then try to touch the freshness of the color, the dark color is better, and the light color is not good.

Fresh squid has a shiny and elastic appearance, a brown and speckled appearance that forms a clump of membranes that can be purchased by pressing with your fingers to see if it is elastic. Spoiled squid will have a foul smell, and whitish squid may be sterilized, which can be harmful to people's bodies.

Fresh squid is shiny and elastic in appearance, brown in color and spotted. After sterilization, the squid will turn white, and eating it will cause harm to the human body. It is not advisable to buy frozen squid, as it is generally left out for a long time.

Fresh squid forms a membrane on the outside. When picking like pork, you can press it with your fingers to see if it is elastic, and you can also pull the body of the squid to see if it is easy to tear off, and if it is easy to tear off, it is not fresh. When picking, it is necessary to see if the squid is complete, the quality of the whole squid will be better.

Like other meats, stale meat will have a foul smell and an unpleasant taste, so you can smell it when you pick it. When it comes to buying squid, you can choose to buy it in the morning, when the squid is usually freshly purchased.

1. If the color of the water hair food is too white, loses its original normal color, and the volume is hypertrophied, or it shrinks rapidly after heating, it means that the chemical solution with bleaching effect has been used;

If you smell a strong alkaline or pungent smell, there is a problem;

If the feel is too smooth and the texture is very brittle, it is easy to crumble when pinched, and it may contain caustic soda or formaldehyde.

2. Squid is rich in nutrition, high in protein, calcium, phosphorus, elements, and also rich in DHA, EPA and other highly unsaturated fatty acids, which can promote the growth and development of adolescents, and contains iron, which helps to prevent iron deficiency anemia.

Contains vitamin E, selenium, and a large number of amino acids, which help to resist oxidation and delay aging.

Contains taurine, which has the effect of regulating blood sugar and preventing high blood pressure.

Contains bovine acid and selenium, both of which help protect eyesight.

3 Squid contains protein, fat, vitamin A, vitamin E, cholesterol, magnesium, calcium, iron, zinc, copper, manganese, potassium, phosphorus, sodium, selenium, etc., is a low-calorie, low-fat, high-protein food, but the sodium content is also high, 100 grams of squid contains 134 mg of sodium, so it is best not to overeat.