Excluding the four-finger width and middle-finger length of the thumb, the lean meat with one finger height is about 50g, the small rows with two index fingers and two fingers are about 50g, and the five shrimps with normal size are about 75g. In other words, if you don't eat poultry that day, the meat you eat is full of ribs, and you can only eat two or three pieces; They are all lean meat, and two or three pieces of meat are enough for each meal at noon and evening; If you don't eat fish, eat shrimp completely, and five is enough.
Fortunately, almost all animal and plant cells contain vitamin B2, among which eggs, milk, animal liver and kidney, lettuce, lettuce, purple cabbage, kale and other broad-leaved vegetables are rich, which is the best source of vitamin B2.
Pork does not eat pork belly, only pure lean meat, and poultry meat should be peeled. Because the fat content in fat meat is high, it will increase energy intake, cause excess energy and cause obesity, and obesity is an independent factor of all chronic diseases, that is to say, regardless of genetic factors and environmental factors, as long as you gain weight, the risk of suffering from various chronic diseases is high; In addition, the high content of saturated fatty acids in pork belly will increase the risk of cardiovascular and cerebrovascular diseases. Some elderly people may like eating meat very much and feel that eating a little meat every day is not enough. They just don't eat from Monday to Friday, and concentrate on eating on Saturday and Sunday. In fact, the nutrition in eating meat like this can't be absorbed well, but if they eat too much a day, it will easily turn into fat accumulation. Therefore, it is suggested to eat meat every day, preferably every meal, so that protein in meat can better supplement protein in plant food for dinner and improve the utilization rate of protein as a whole.