What is black inside the crab can you eat

You can't eat it, the black one is the stomach of the crab, and there are four parts on the crab that can't be eaten.

1. Crab gills: that is, two rows of soft things that grow in the abdomen of the crab like eyebrows, commonly known as crab eyebrows, are the respiratory organs of crabs, used to filter water quality, and are very dirty. Don't eat the triangular crab white under the gills either;

2. Crab intestines: there is crab excrement in it, after breaking the crab body, you can see that there are black things at the crab roe and crab meat, and you need to remove them;

3. Crab stomach: The triangular bun hidden in the crab roe also has crab excrement. Hide in the pile of crab roe on the crab lid, eat the crab roe and discard it;

4. Crab heart: also called crab hexagonal board. It is hexagonal in shape, hidden in the middle of the crab belly where the yellow paste is thickest, and it is the coldest, so it must not be eaten. When you open the shell, you can see a black membrane coating, and the crab heart in white flakes is between the yellow paste and the black membrane coating.

There are two answers. 1. The inside of the crab is black, if the crab is opened, there is a black membrane coating on the inside of the crab shell and the shell, which can be eaten; 2. If the black thing inside the crab is located in the middle of the crab, wrapped in crab roe, and in the shape of a triangular bag, the crab stomach in the middle of the crab cannot be eaten.

The black paste inside the crab is the crab stomach.

If it's near the eye, it's the crab's stomach, and the black one is sludge. In addition, the female crab will have the phenomenon of crab roe turning black, in fact, there is also a possibility that the fertilized eggs in the crab roe have completed development and have begun to transform into small crabs, black more melanin, anthocyanins, etc.

When we usually cook crabs, we generally need to put the crab in the pot and heat it for about 20 minutes before it is completely steamed, if there is a black paste inside the crab after steaming, it means that this is a mated crab, it does not contain harmful ingredients inside, and it can also be eaten with confidence.

Precautions for steamed crabs

Steamed crab best reflects the deliciousness of crab. Some people say that the method of steaming hairy crabs is very simple, and it is good to buy it and steam it, but in fact, the crab steaming time should be correct, the steaming time is too short, the crab is not cooked, it is easy to have diarrhea, and the steaming time is too long, and the crab meat will be old.

Steam about three taels of crabs for 10 minutes, steam crabs from four taels to half a catty for 12 minutes, steam crabs for more than half a catty for 14 minutes, and steam more than one catty for 20 minutes. According to this time, the steamed crab will be very tender, not too long, and not too short.

The above content refers to Encyclopedia - Steamed Crab.

Crabs should be steamed and eaten, and they are tied up with a rope and steamed to be delicious, the meat will not fall apart, and it is normal for there to be black and gray things in the shell, just don't eat it.

Is it that membrane? If so, you can eat it, it is rich in protein. When the crab rises to a certain extent, it has to take off a layer of armor, that is, the shell, the longer the black membrane coat grows, the thicker it becomes, and when the outer hard shell is detached, the black membrane coat becomes a soft shell, and it will also become a hard shell over time.

I don't know what, but I don't eat this black one every time anyway. I'd rather miss out on the delicious and good food.

The black membrane before the crab molts can be eaten, but the crab stomach in the middle of the crab cannot be eaten. If the crab is opened and there is a black film coating on the inside of the crab shell and against the shell, it can be eaten. Because this black membrane is the shell of the crab that has not yet grown.

Generally, the crab will molt when it grows to a certain extent, and the black membrane coating inside will become thicker and thicker as the crab grows, and when the hard shell on the outside of the crab is detached, the black membrane coating will become a soft shell, and it will also become a hard shell over time. Therefore, this black film is edible.

Fresh female river crabs, open the back cover will find purple-black unfertilized eggs, which are orange-red when cooked. It's okay to eat such crabs. If there is a large number of purple-black particles under the umbilicus of a fresh female crab, it means that it has been fertilized and has lost its due nutritional value.

Normal crabs.

Fertilized oocytes.

Answer: When the crab is cut open, the black inside is the crab stomach. The stomach of the crab is located in the middle of the crab roe, and most of it is encased in the crab roe. If the crab stomach is black, it means that there is still undigested food in the crab stomach, and it is best not to eat it.

If the crabs inside are all black, it means that they have been dead for a long time and cannot be eaten.

Crabs should be red all over and nothing else is healthy, otherwise they have to be thrown away, and there will be trouble if you eat them, be careful!

1. The heating time is not enough. 2. The stomach of hairy crabs after they are full, that is, the black gelatinous solid in the crab roe. 3. After the female crab mates, the boundary between yellow and black is obvious.

It should be noted that in addition to the above three situations, if you find that the crab roe is scattered, the color is not correct, and there is a peculiar smell, it is not edible.

If the crab is opened, there is a black membrane coating on the inside of the crab shell and the shell, then the black membrane is edible.

Because this layer of black membrane is actually the shell of the crab that has not yet grown, generally the crab will molt when it grows to a certain extent, and the black membrane coating inside will become thicker and thicker as the crab grows, and when the hard shell on the outside of the crab is detached, the black membrane coating becomes a soft shell, and it will also become a hard shell over time. Therefore, what can be eaten in this black membrane is high in protein and calcium.

Black cream crab, the opposite side of butter crab, the seaside man tells you if it can be eaten.

Not to eat, the black gelatinous substance next to the crab roe is the stomach of the crab, also known as the crab urine bag, located at the leading edge of the back shell**, is a bone bag shaped like a triangle, with dirty sand inside, close to the crab roe. Generally, when the crab is on an empty stomach, the stomach will appear smaller, and after a full meal, the stomach will swell, and it will look like there is more black gelatin, but this belongs to the normal category, and it can be eaten normally after removing the black gelatin.

螃crab (páng xiè): Animalia, phylum Arthropods, Crustacea, Molluscs, True Softnails, Decapods, Ventral Embryos, Brachycda. It is a crustacean whose body is protected by a hard shell and breathes by its gills.

Taxonomicly, it is the same animal as shrimp, lobster, and hermit crab. The vast majority of species of crabs live in the sea or near the sea, but some inhabit freshwater or land. They rely on the mother crab to give birth to baby crabs, and each time the mother crab lays a large number of eggs, the number of which can reach more than millions.

Crabs rely on the geomagnetic field to determine direction. The history of crab eating in China is long, and it is recorded in Yi Zhou Shu Wang Hui Xie and Zhou Li, Tianguan Bao Ren [1] .

The genetic material of such organisms is complex and highly varied, often as many as more than 100 pairs. Common crabs include hairy crabs (river crabs, hairy crabs, clear water crabs), pike crabs, etc. China's crab resources are very abundant, among which the hairy crabs produced by Gucheng Lake, Taihu Lake, Gaoyou Lake, Yangcheng Lake, Xilou Hairy Crab, Xinghua Hairy Crab and Hongze Lake Hairy Crab in the lower reaches of the Yangtze River are the top quality.