Crabs - representatives of crustaceans. They can live in the sea and in fresh water. They feed on the invertebrates animals. Multiply crabs, fish or eggs secluded places that are a number of intermediate transformations before becoming adult.
At crab small head, merging with the breast. On top of the crab's body is protected by a chitinous shell, which is an external skeleton. Carapace of these animals change during growth several times in life. During molting old shell waste, and the new is not yet sufficiently saturated with lime, it remains rather weak, making the animal very vulnerable. That's why, to somehow protect this dangerous period, the crabs are disguised as the color and texture of the environment. With the same purpose in the first days after molting they hide and hunt.
The front pair of legs crab claws are located to help them hunt and escape from his pursuers. In case of danger crab claws may throw. An interesting fact is that the blood of blue crabs.
In the food consumed meat of the crab, which is seafood delicacies with a surprisingly delicate flavor. The meat from crab claws is in, legs and back. Since each individual bit of meat, the crab production on an industrial scale is laborious, that determines the high cost.
Crab meat - a rich source of complete protein, low in fat. Carbohydrates are a part of his absence. This becomes an important factor when the dietary crab meat in the diet of obese people and patients with obesity. Protein crabs easily digested and absorbed by the body, because there is practically no crab meat connective tissue. With this at a relatively low calorie crab feeling of satiety is reached fairly quickly.
The protein structure occupies a significant share of the amino acid taurine, which supports the health of muscles and blood vessels of the retina.
The benefits of crab can also be judged by the presence of omega-6 and omega-3 fatty acids, which reduce the content in human blood "harmful" cholesterol, which in turn reduces the risk of cardiovascular disease and atherosclerosis.
Crabs that live in the sea, accumulating a lot of iodine - an essential trace mineral for humans. Iodine is part of the thyroid hormones, and they are involved in the regulation of all types of metabolism, responsible for the development of the nervous system and the growth of the person. Only 20 - 40 g crab meat contains daily rate of iodine.
Rich crab and vitamins, especially B group and PP, as well as trace elements. Zinc and selenium are seafood involved in the formation of testosterone - the hormone in men. Therefore, they use the crab lies in the maintenance of libido. Also in the meat it contains copper, calcium, phosphorus, sulfur, sodium, magnesium and others.
Crabs are useful for people suffering from digestive disorders, obesity, cardiovascular diseases and thyroid disorders, disorders of vision, anemia, depression or nervous stress.
Caloric crab is about 85 kcal per 100 g of product.
Since crab has a very tasty meat, even simple recipes result in amazingly tender delicacies. So, to boil a crab, you need to add salt to the water at the rate of 50 g per 1 liter of water and cook for about 15 minutes after boiling. When the crab is ready, small claws can be easily separated from the meat. Before use, it is better to cool. Before serving crab meat sprinkled with lemon juice and decorated with sprigs of greenery.
This seafood is included in the formulation of many delicious salads and exotic dishes. Since crab meat spoils quickly, it is stored for a very short time - no longer than 15 hours (or 30 hours on ice).