The heart of the crab is a white hexagonal shape, which is usually located in the center of the crab under a piece of black membrane coat. Chinese medicine often says that crabs are extremely cold, and the crab heart is the most, the crab heart should not be eaten.

The rest of the parts of the crab that should not be eaten:

Crab stomach: when you open the crab shell, you will see that there is some crab yolk stained on the shell, and the crab stomach is hidden in the crab yolk of the shell. Crab stomach is very dirty and not recommended to eat.?

Crab gills: two rows of "small fan" after opening the crab shell in the crab body of the two rows of gray fan-shaped soft tissue is the crab gills. The gills are the respiratory system of the crab and should not be eaten.

Crab intestines: a black line leading from the stomach to the navel of the crabThe crab intestines are located in a triangle that can be broken open in the lower abdomen of the crab. Opening the triangle reveals a black line connecting its top to the crab's body.

Expanded Information

Tips for selecting crabs:

One is to look at the color. If the back of the shell is dark green, it is generally thick and solid, and if it is yellow, it is mostly thin and weak. The crab will be placed in the sunlight or light backlight observation, the crab cover edge impermeable description of the crab fat, if the translucent slit visible, the crab is relatively empty.

The second is to see the belly button. Belly button convex out, generally are cream fat fat full, concave in, the cream is not enough. Abdominal umbilical black the more the crab is more fat, gently open the abdominal umbilical, vaguely visible yellow is good. For river crabs, there are "September (lunar calendar) to eat male, October to eat female" said, navel round is female crabs, navel pointed for male crabs.

Three is to weigh. The crab will be held in the hand weighing, feel heavy for the fat and sturdy good crab, feel light more than dried up meat less inferior crab. The crab will be turned belly up, can quickly turn with the crab foot flick to turn back, healthy and fresh.

Fourth, check the feet. Crab feet on the bristles of the better, but also the penultimate foot to pick up, to observe whether it is full. Crabs with hard legs that are hard to pinch are the most plump.

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