What does it do when crabs foam Can you eat the foam produced when you boil crabs?

The crab foams at the foam, which is caused by its unique way of breathing.

When the crab exhales, it blows the water out of its gills, forming bubbles.

The most important thing to eat crab is to eat crab roe, and the crabs in autumn are particularly fatty, and we can taste the firm flesh of the crab and the very delicious crab roe. For those white foams, there is no need to taste them at all. Crabs are cold and can't be eaten more, so it's enough to eat two or three at a time.

If your physique is not very good, then you should be more cautious about eating.

Although it is said that this delicacy is the favorite of southerners, it should not be too much, it is necessary to control the degree of goodness, no matter how much you like to eat, the daily intake should be fixed, and don't joke about your health because of small losses. Crabs are available every year, and what to eat in what season is a habit in Jiangsu and Zhejiang, and if you have the opportunity, you must come here to experience the customs.

1. The most important thing to eat crab is to eat crab roe.

The crabs in autumn are particularly fatty, and we can taste the firm flesh of the crabs and the very delicious crab roe. For those white foams, there is no need to taste them at all.

2. Crabs are cold and can't be eaten more.

It is enough to eat two or three at a time. If your physique is not very good, then you should be more cautious about eating.

3. Although this delicacy is the favorite of southerners, it should not be too much.

It is necessary to control the degree, no matter how much you like to eat, the daily intake should also be fixed, and don't joke about your health because of small losses. Crabs are available every year, and what to eat in what season is a habit in Jiangsu and Zhejiang, and if you have the opportunity, you must come here to experience the customs.

It's crab season again, and now it's the season when barracuda crabs, hairy crabs, and local crabs from all over the country are listed in large quantities, so the ** of crabs is not very high, but the quality is good. Taking Qingdao as an example, after the opening of the sea, a large number of crabs will be put on the market every day, and it is really delicious and fresh to eat.

Generally speaking, the cooking method that everyone often chooses for live crabs is steaming, after all, steaming crabs can lock in the umami to the greatest extent and maintain the original flavor of the crab to the greatest extent. When the crab is steamed, there will be these phenomena, one is, the crab will turn red, and after the live crab is cooked, the crab's legs will be fangs and claws. The second is that there will be a lot of white sediment on the grate of steamed crabs.

Can be eatenSince it is a protein overflow, naturally these white sediments are edible. You can open the crab and look at it, and you will see that the inside of the crab's shell and the flesh of the crab are all yellow and this white sediment. If you dare to eat the protein precipitate inside, why don't you dare to eat the outside!

It's just that the outside of the crab can't hold the overflow area inside! Therefore, as long as the crabs you buy are alive and not dead, these protein precipitates can be eaten, and there is no problem! Of course, you are buying dead crab roe, not only these white foam foam are not recommended for you to eat, but also crabs are not recommended for you to eat, because dead crabs are toxic and not good for human health.

If you want to eat a good crab roe, you still have to be able to choose it in order to eat the best deliciousness. When choosing crabs, don't do anything as long as they are not alive. However, there are also fat crab roe and crab roe in the live one, and the fat crab roe is the kind of crab roe that is full of yellow, which is not only delicious, but also has a very high nutritional value.

The white foam produced when the crab is boiled is generally edible!

It is not allowed to eat, there are also some toxins, and it is also some secreted substances, so the human body is not allowed to eat.

No, because this is also a toxic substance, so when eating crabs, be sure to remove these white foams, and then don't eat the gills of crabs.

It is not allowed to eat, which can easily lead to poisoning if eaten, and crabs will produce certain toxins, which will affect the health of the body.

It is not allowed to be eaten, and if you eat it, it is likely to cause diarrhea because this crab is very stale.

Yes, this is normal, you can eat it, don't be afraid.

1. Crab foam is to moisten its gills when breathing.

2. Crabs are crustaceans that live in water, breathing with gills born on both sides of the body, and the surface of the crab's gills is covered by a hard head and breastplate. When the crab lives in the water, it sucks in fresh water from the base of the chelicerae and foot, flows through the gills and spits out from both sides of the mouthparts.

3. The gill of the crab stores a lot of water, so it can breathe without water, inhale a lot of air, and spit out the water from both sides of the mouthparts. Because it inhales too much air, the gills are in contact with the air in a large area, and the water contained in the gills is exhaled along with the air, forming a foam to moisten its gills.

Crab foaming is caused by breathing, because the gills of the crab are very special, and when it inhales too much air, it will foam. Usually a lot of water is stored in the gills of crabs, and when the water and air are excreted from the body, it forms a white foam. When raising crabs, if you don't keep them in water, you should moisturize them.

The crab's foaming is actually caused by its breathing, because the crab's gills are more special, after it leaves the water, it can also breathe in the air, and when it inhales too much air, it will foam.

Usually a lot of water is stored in the gills of crabs, and when the water and air are excreted together, white foam will be formed, which is a very normal phenomenon and is not harmful to the crab itself.

When raising crabs, if you don't keep it in water, you need to moisturize it, you can spray it with a little water regularly, or cover it with a wet towel.

Q:What does it mean for a crab to foam at the mouth?

A:Breathe.

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Crab foaming is caused by the crab's unique breathing pattern.

The crab breathes with its gills, its gills are hidden under the jacket, like a sponge, it can suck in a lot of water, it can live on land by the water in the gills, and the water flow in the gills will flow back into the body from the bottom of the chelicerae after the oxygen is consumed, and when the water flows through the body, the fresh oxygen will melt in, so the crab can breathe in the water like a fish.

However, after a long time, the water in the gills will gradually decrease, and the crab will twitch its mouth and gills in an attempt to absorb the water, but it will suck in a lot of air, and the air will mix with the water in the gills, forming many bubbles.

Crabs store a lot of water in their gill plates, and when they leave the water, they can still breathe incessantly, inhale a lot of air, and spit it out from both sides of their mouthparts. Because it sucks in too much air, the gills and air come into contact with a large area, and the water contained in the gills is exhaled together with the air, forming countless bubbles, which pile up more and more, and form a lot of white foam in front of the mouth.