The nutritional value of crab

Soon to the time of eating crabs, do you know the nutritional value of crabs?

Crabs, also known as river crabs, are migratory crustacean aquatic animals (crabs breed in the ocean, grow in freshwater rivers, rivers, and lakes, and mature crabs return to seawater for reproduction). As a delicacy, crab has been favored by people since ancient times. Li Shizhen of the Ming Dynasty praised the cloud: "Fresh crab and ginger vinegar, brewed with alcohol, chewing the yellow peony, slightly appreciate the flavor." Li Yu of the Qing dynasty also called the crab: "The color, fragrance, taste of the three are extremely, nothing more can be on As a result, it is known as the "crab on the seats Baiwei pale" reputation.

Crabs are nutritious and contain many vitamins. Vitamin A is higher than other terrestrial and aquatic animals. Vitamin B2 is 5-6 times that of meat, 6-10 times higher than fish, and 2-3 times higher than eggs. Times. The content of vitamin B1 and phosphorus is 6-10 times higher than that of ordinary fish. The edible portion of crabs per 100 grams contains 17.5 grams of protein, 2.8 grams of fat, 182 milligrams of phosphorus, 126 milligrams of calcium, and 2.8 milligrams of iron. In addition to rich calcium, crab shell also contains erythromycin and cyanodine. Crabs are not only for food and cuisine but also for medicinal purposes. "Herbal Supplements," said: "They don't work alone, but they can also have blood." The Chinese medicine believes that crabs are cold and salty, and crab meat has heat, scattered blood, continuous injury, rational meridians, and nourishing yin. The shell can clear away heat, detoxify, and eliminate silt and clear away pain.

Modern studies have found that crab shells contain a substance called chitin, which can be extracted from chitin and called ACOS-6. It has low-toxicity and immune activation. Animal experiments have confirmed that this substance can inhibit cancer cells. The proliferation and transfer.