The effects and functions of Taihu crabs The nutritional value of Taihu crabs

Introduction to Taihu Crab

Taihu crabs, which live in the waters of Taihu Lake, are also called crabs. Their back shells are hard and concave, like a tiger's dark blue color, and their abdomens are bluish-white with a navel. Male crabs are pointed, while female crabs are round. There are hard hairs inside. The crabs are large and heavy, with thick roe and tender meat. You can identify Taihu crabs by looking at the five characteristics of "green shell, white belly, golden claws, yellow hair, and strong body".

Nutritional value of Taihu crab

Taihu crabs are rich in protein and more than 10 kinds of amino acids, especially glutamic acid, gramine, histidine, arginine, lactamic acid, etc. Every 100 grams of edible part of Taihu crabs contains 14 grams of protein, 5.9 grams of fat, 7 grams of carbohydrates, 5960 international units of vitamin A, and 139 kcal of calories. The main nutritional indicators rank first among general aquatic products. In addition, it is rich in inorganic trace nutrients necessary for the human body.

The main nutritional components of crab meat are protein and unsaturated fatty acids. It also contains a variety of vitamins, which can improve the body's physical fitness and nutrition. It is a natural tonic. Studies have found that the protein content of crab meat is as high as 18.9%, while the fat content is only 0.9%. 80% of the protein in hairy crabs is in crab meat. It is a good source of high-quality protein and fatty acids, which is very beneficial to the human body. In addition, there are more than ten kinds of free amino acids in crab meat, with glutamic acid, proline and arginine being the most abundant, so the taste is particularly delicious.

The nutritional value of hairy crab shells: Crab shells ground into powder can be used to treat traumatic injuries, damp-heat jaundice, postpartum abdominal pain, burn recovery and other medicinal values. In addition, crab shells contain a substance - chitin, from which a substance called ACOS-6 can be extracted. It has low toxicity and immune activation properties. Animal experiments have confirmed that this substance can inhibit the proliferation and metastasis of cancer cells and has a certain effect on the treatment of breast cancer. No one knows that crab shells have such great value. When eating hairy crabs in the future, crab shells should not be thrown away.

Nutritional value of crab roe and crab paste: Crab roe and crab paste contain a lot of nutrients such as protein, fat, phospholipids, vitamins and other nutrients that are essential to the human body, and are rich in nutrition. However, the cholesterol content in crab roe is very high, and the cholesterol content in every 100g of crab roe can be as high as 466mg. Therefore, patients with coronary heart disease, hypertension, arteriosclerosis, and hyperlipidemia should eat less or no crab roe and crab paste. Crab paste and crab roe are very delicious, but it is not advisable to eat too much.

The efficacy and function of Taihu crab

1. "Supplement to Materia Medica" says: "Its function is not only to disperse, but also to harmonize blood. Traditional Chinese medicine believes that crabs are cold in nature and salty in taste. Crab meat has the functions of clearing heat, dispersing blood stasis, healing wounds, regulating meridians and nourishing yin; its shell can clear heat and detoxify, break up stasis, clear accumulation and relieve pain."

2. "Compendium of Materia Medica" says: "Crab can treat malaria, jaundice, sore throat, scabies and ringworm. Crab claws can cause abortion and stillbirth. Crab shells can be burned into powder to treat postpartum hemorrhage and abdominal pain in women, and to eliminate accumulation."

3. "Shennong's Herbal Classic" records: "It is mainly used to treat evil qi and heat accumulation in the chest, crooked and swollen face." "Bencao Fengyuan" written by Zhang Lu of the Qing Dynasty records: "The nature of crabs is to break up blood and can repair broken tendons and bones."

4. "Sui Xi Ju Diet" written by Wang Shixiong of the Qing Dynasty also records: "It replenishes bone marrow, benefits limbs and joints, heals broken bones, nourishes liver yin, replenishes gastric juice, nourishes tendons and activates blood circulation, treats carbuncle, and cures cough."

To sum up, in traditional Chinese medicine, hairy crabs have the effects of: replenishing bones and marrow, nourishing tendons and setting bones, promoting blood circulation and removing phlegm, promoting dampness and relieving jaundice, benefiting limbs, nourishing liver yin, and replenishing gastric juice; it has certain therapeutic effects on blood stasis, jaundice, low back and leg pain, and rheumatoid arthritis.

Modern medical research has found that every 100 grams of the edible parts of hairy crabs contain 80 grams of water, 14 grams of protein, 2.6 grams of fat, 0.7 grams of carbohydrates, 0.141 grams of calcium, 0.191 grams of phosphorus, 0.08 grams of iron, 230 international units of vitamin A, 0.0051 grams of riboflavin, etc. Muscles contain more than 10 kinds of free amino acids, among which glutamic acid, proline, and arginine are more abundant. Protein is the material basis of all life activities such as human growth, development, reproduction, and heredity. There are 20 main amino acids in protein, and there are more than 10 kinds in crabs. Therefore, it is very beneficial for people who have consumed a lot of protein and need to supplement nutrition after surgery, illness, chronic wasting diseases, etc. In addition, crabs contain more vitamin A, which helps the keratinization of the skin; it can also supplement calcium for rickets in children and osteoporosis in the elderly.