2. Nutritional value of beef: beef is rich in protein, and its amino acid composition is closer to the needs of human body than pork, which can improve the disease resistance of human body, especially suitable for people who are nursed back to health after surgery and illness, such as supplementing blood loss and repairing tissues; At the same time, beef is also rich in sarcosine, protein, zinc, magnesium, iron, potassium and other trace elements, as well as vitamins B6 and B 12. Especially sarcosine and protein, are one of the indispensable components of muscle synthesis. Among them, each 100g of beef contains 20g of protein and more than 400 mg of trace elements such as zinc and potassium. Whether it is fried, boiled, fried, steamed, roasted or other cooking methods, beef can achieve comprehensive taste and nutrition, so that you will not feel monotonous. No matter at home and abroad, especially in Europe and America, beef is one of the most important staple foods, which basically belongs to "no beef". According to research, this may also be one of the reasons why European and American races are relatively tall and strong.
3, the nutritional value of chicken breast: chicken breast is the meat inside the chicken chest, shaped like a hat. The meat is tender, delicious and nutritious, which can nourish and strengthen the body. Contains the same fat as shrimp and crab. Chicken breast is the only meat that doesn't have to worry about being hurt by animal fat. This is the part of chicken that contains a lot of protein, which is easily absorbed by human body and can quickly supplement the needs of human body. Chicken breast contains phospholipids which play an important role in human growth and development, and it is one of the important sources of fat and phospholipids in the dietary structure of China people. Although chicken breast is good, it is still a kind of muscle, and its nutritional value is roughly equivalent to that of chicken. Among them, every 100g of chicken contains 2 1.5g of protein, but the content of trace elements is extremely low and almost negligible. There are some differences between beef and beef. Chicken breast in muscle-building recipes is generally only used for cooking or frying, which will not lose too much nutrition, so it looks single, which is one of the reasons why most people prefer beef to chicken.