Crab paste is the male crab's parasympathetic gland and its secretion; crab yolk is the ovary and digestive gland in the crab. The details are as follows:

I. Crab paste

The white and slimy crab paste in male crabs is crab paste, which is mainly the paraphysical glands and their secretions of males. When the male crab matures, the paraphysical glands are abnormally developed, occupying a large part of the reproductive system and even lifting up the crab shell.

The gonads are rich in proteins, lipids and other kinds of nutrients, which are of high nutritional value and very delicious. In its natural state, crab paste is a greenish-white, semi-transparent jelly-like liquid; after steaming, it is a semi-transparent, sticky, and somewhat greasy gelatin.

Second, crab yolk

Crab yolk is the ovary and digestive glands in the crab, orange color, fresh taste. Crab yolk is not the crab's eggs, crab yolk does contain undischarged egg cells, but there are other crab organs, glands, tissue fluid and other substances, not simply crab eggs.

When the crab yolk becomes bigger and bright orange in color, the gonads of the female crab have matured, and it is the eggs that are discharged from the body that are produced at this time, while the egg cells that remain in the gonads in the body are still a part of the crab yolk.

Expanded Information

1, steamed and boiled through, do not eat raw crabs

River (lake) crabs to animal carcasses or humus for food, so the crab's body surface, gills and the gastrointestinal tract is covered with all kinds of bacteria and sludge. Some people get sick when they eat the germs or parasites inside the crabs into their stomachs because they have not scrubbed the crabs clean, steamed and boiled them imperfectly, or eat drunken or pickled crabs raw.

2, dead crabs should not be eaten

River crabs dead stiffness and autolysis period is greatly shortened, the bacteria in the crab body will rapidly multiply and spread to the crab meat, so that the eater vomiting, abdominal pain, diarrhea. The shells of fresh live crabs are greenish-black, glossy, with a full umbilicus and a white abdomen. Dying crabs have yellow shells and soft legs, making it difficult to turn them over.

3, now steamed now eat, do not store

If you can not eat, the rest must be kept in a clean, cool and ventilated place, eat must be back to the pot and then cooked and steamed through.

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