The crab has a heart, which is a white hexagonal piece under the black membrane in the lower middle of the crab body.

Crab parts that can not be eaten:

1, the crab stomach: hiding in the crab yolk in the "triangular package", open the crab shell, see the shell stained with some crab yolk, the crab stomach is hidden in the shell of the crab yolk, the crab stomach is very dirty, it is not recommended for consumption.

2, 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 crab gills are the respiratory system of the crab and should not be eaten.

Expanded Information:

Nutritional value of crab:

1, crab contains a large amount of protein and most of the high quality protein, and these high quality proteins also contain amino acids. Therefore, it has the effect of resisting infection and promoting wound healing.

2, the crab contains arginine, arginine can participate in the body's energy metabolism and detoxification work, moderate consumption of crab can promote the body's energy balance, the body's toxins play a good role in the excretion.

3, crab meat contains a lot of nutrients, including vitamin A, vitamin E content is the highest. These 2 vitamins can protect mucous membrane epithelial tissue, soften blood vessels and anti-aging.

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