Brief introduction of king crab
King crabs, also known as stone crabs or rock crabs, that is, crustaceans of Stone Crabs, are not real crabs, and they are mainly distributed in cold seas. Named after its huge size, it is known as? King of crabs? The reputation of. It is not a kind of crab with the emperor crab (giant paramecium crab), so please don't confuse it. Because of their huge size and delicious meat, many species are widely caught as food, among which the most common is Kamchatka stone crab. King crabs belong to deep-sea crabs, with a survival depth of 850 meters and a survival water temperature of 2-5℃. The lowest water temperature that King Crab can survive is 1.4 degrees Celsius. 20 1 1 In September, scientists found more than/kloc-0 million giant king crabs in a mud bed basin 850 meters below the continental shelf off Antarctica. Scientists say that the appearance of this exotic large carnivore may be the first sign of an ecological catastrophe in Antarctic waters.
The breeding speed of king crabs is amazing, and each female crab can produce nearly 10 thousand live crabs every year. King crabs usually lay eggs in shoals about 350 meters away from April to June every year. Most of these creatures live in muddy sand in shallows and inhabit the waters in low latitudes.
In the breeding season, the female king crab and the male king crab hatch after mating. Generally speaking, the fertile period of a king crab is four years in its life span of about 30 years.
Nutritional value of king crab
Every100g of king crab's crab meat contains 97 kilocalories, protein19.2g, L.5g of fat, 53mg of cholesterol, and unsaturated fatty acids (Omega? 3)0. 1 g, sodium salt 1072 mg.
Thus, the king crab is rich in protein, trace elements and other nutrients, which has a good nourishing effect on the body. In recent years, studies have found that crabs also have anti-tuberculosis effects, and eating crabs is beneficial to the rehabilitation of tuberculosis.
Traditional Chinese medicine believes that it has the effects of clearing away heat and toxic materials, nourishing bones and marrow, nourishing tendons and promoting blood circulation, dredging meridians and collaterals, benefiting limbs and joints, nourishing liver yin and filling gastric juice. It has a certain therapeutic effect on diseases such as congestion, injury, jaundice, soreness of waist and legs and rheumatoid arthritis.
Preservation method of king crab
Live crabs can survive for 24 hours in wet and cold environment after leaving water, and the frozen crab section can store king crabs 1 year after being properly coated with ice coat. The shelf life of fresh emperor crab is one week; Thaw crabs for 3 days. Frozen crabs should be stored at-18 degree, and fresh crabs should be stored at 0 degree to 1 degree. Preservation treatment: live crabs can survive for 24 hours in wet and cold environment after leaving water, and frozen crab segments can be preserved for 1 year after proper ice coating treatment. The shelf life of fresh emperor crab is one week; Thaw crabs for 3 days. Frozen crabs should be stored at-18 degree, and fresh crabs should be stored at 0 degree to 1 degree.