What is the black paste that goes with crab roe

The black iron iron with the crab roe is a secretion inside the crab.

So-calledThe crab roe refers to the eggs of the female crab, and the crab paste refers to the sperm nest of the male crab.

In autumn, the climate gradually changes from cool to cold, and the crabs gradually grow stronger. The digestive glands and ovaries of the female crab grow into crab roe to prepare for the need for reproduction and fertility in the winter and the following year (crab roe becomes crab roe in spring).

At this time, peeling off the crab shell, you can see that there are many yellow, sticky things in the crab shell and crab lump, which is raw crab roe. When cooked, the crab roe turns red, and the darker the red, the stronger the crab.

In order to prepare for winter, male crabs gradually accumulate fat and grow into crab paste (commonly known as crab oil). When you peel off the shell of a male crab, you will see a white, sticky thing in the same place, which is crab paste (crab oil). When cooked, the crab paste becomes translucent.

The more crab paste, the stronger the male crab.

Crab roe and crab paste are not only delicious, but also nutritious, and are the essence of crabs.

A small group of crabs breed entirely in freshwater, and they mostly inhabit the rocks of mountain streams. There are also a few crabs, such as ground crabs, that can adapt to life on land, burrowing in damp mud holes, and migrating to the sea during the breeding season. The vast majority of crabs are omnivorous.

Some crabs are carnivorous, such as pike crabs, which can prey on fish, shrimp and molluscs. A small number of crabs, such as the crab, scrape or filter feed on algae and organic debris.

Common marine crabs include pike crabs, snow crabs, blue crabs, etc., among them, snow crabs are basically dead from the water after being caught, and pike crabs can be artificially cultivated. The food quality and growth environment of pike crab and snow crab are relatively good, and they can be eaten after death, and they should be selected freshly: the dorsal shell is blue-black, shiny, full umbilicus, and the abdomen is white.

Blue crabs burrow in shallow coastal waters and estuarine muddy bottoms, and are carnivorous, sometimes feeding on putrefactive small animals. Once dead, there may be toxins in the gastrointestinal tract of blue crabs that spread to the muscles, so dead blue crabs should not be eaten. After buying, it is best to put the blue crab in clean light salt water for temporary purification, which helps to clean the digestive organs of the crab.

The black appearance of crab paste may be a dead crab, a crab is changing its shell or a crab is waiting to give birth.

Generally speaking, the crab paste is blue-white translucent jelly-like, and it is also this color after steaming, and there are also cases of black crab paste, so let's take a look

1. Crabs to be born:

There are some female crabs waiting to be born, and the fertilized eggs in the crab roe have been developed and have gradually transformed into small crabs.

In this case, black crab paste will appear after the crab is steamed, but this crab is edible, and these black crab paste is mostly melanin, anthocyanins and other ingredients.

2. Crabs that have changed their shells:

The main composition of the crab shell is calcium, and the phenomenon of changing the shell will occur as the growth period becomes longer, and in this process, the initial molting is the inner membrane state of the soft shell.

This crab also has black crab paste when cooked, which is also edible.

3. Dead Crab:

Crabs are water pollution handlers and absorb sludge and stains from the water, which are mainly concentrated in the crab's heart, stomach and gills after entering the crab's body.

In the case of dead crabs, these substances will spread to the crab roe and crab meat, and will carry a large number of bacteria, which can be harmful to health.

The black paste inside the crab is the stomach of the crab. After the crab is full, the stomach swells, and after steaming, it looks like a black gelatin, as if the crab roe is black, and this kind of crab can be eaten normally after removing the black gelatinous substance directly by hand.

Crabs are rich in protein, fat, phosphorus, calcium, iron, vitamin A and vitamin B1, which are beneficial to the body when consumed in moderation.

Crab roe: The ovaries and digestive glands in the crab's body, orange and delicious. Crab roe is not a crab egg, although the composition is basically the same as crab eggs, but there is an essential difference between the two.

Crab roe does contain egg cells that have not been excreted from the body, but there are other crab organs, glands, tissue fluids and other substances, which are not just crab eggs. When the roe grows in size and turns bright orange, the gonads of the female crab have matured, and the eggs are produced and excreted from the body, and the egg cells left in the gonads in the body are still part of the crab roe.

Crab roe is rich in protein and phospholipids.

and other nutrients, rich in nutrients, but also high in fat and cholesterol.

Crab roe can be made into many delicacies: crab roe porridge, etc. Shanghai Beach.

There is also the famous delicious snack crab roe xiaolong. As the name suggests, the main ingredient is crab roe. There are two types of crab roe: river crab roe and sea crab roe.