Pork contains high-quality protein, dietary fiber, fat, cholesterol, thiamine, vitamin B2, nicotinic acid, vitamin C, vitamin E, vitamin A, carotene, potassium, phosphorus, calcium, sodium, selenium, magnesium, iron, zinc and essential amino acids.
1, protein contained in pork is mainly high molecular myosin and myoglobin, which is a relatively stable soluble protein with high price, easy to digest and absorb, and has high nutritional components and edible value.
2. Pork is a high-energy and fatty meat food. It is an important source of energy for human physiological activities. Lipids are important components of cell protoplasm and nerve tissue, among which phospholipids can also promote cholesterol transport in the body. For health, fat has the functions of maintaining the nutritional balance of the body and resisting diseases and immunity.
3. Like other animal meat, pork contains more essential trace elements such as calcium, magnesium, phosphorus, sodium, potassium and chlorine. Among them, calcium and phosphorus are nutritional elements for growing bones. Iron is not only indispensable for the synthesis of hemoglobin, but also the most important component of more than a dozen enzymes (such as cytochrome C, cytochrome oxidase, etc.) to maintain normal human life activities. Sodium, chlorine and other elements can supplement the salt consumed by organisms and are also raw materials for generating gastric acid.
4. Pork contains a lot of vitamin B, especially vitamin B 1. Without vitamin B 1, people will suffer from beriberi, polyneuritis, anorexia, vomiting, beriberi heart disease, myocardial edema and sulfanilamide poisoning.