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Necessary food in winter
1, several foods that should be eaten more in winter

Mutton: Mutton is warm and can bring a lot of heat to human body. Its calcium and iron content is much higher than that of beef and pork. Chinese medicine believes that mutton can help Yuanyang, replenish essence and blood, treat lung deficiency and remove strain, and is an excellent nourishing and strong food.

According to the survey, sheep are not easy to get lung disease. Eating mutton and drinking goat's milk often is quite effective for lung disease. As for tracheitis cough and cold cough, you only need to drink mutton soup to relieve and recover. In addition, mutton is very beneficial to postpartum deficiency of both qi and blood and all deficiency-cold diseases.

Radish: As the saying goes, if you eat radish in winter and ginger in summer, the doctor won't prescribe medicine.

Radish is sweet, pungent and cool, and has the functions of promoting digestion, eliminating dryness, promoting fluid production, quenching thirst, removing blood stasis and detoxicating, and facilitating defecation. White radish soup can cure colds and colds; Radish, ginger and honey can be decocted with water to cure cough and asthma; The dizziness and nausea caused by gas poisoning can be cured by taking radish juice.

Walnut: It is called "longevity fruit" in China.

Its heat output is twice that of grain and lean meat, and it contains fat, rich in nutrition, and has the function of strengthening kidney and brain. People who are weak in winter can slowly strengthen their bodies by eating one or two walnuts in the morning and evening. For people who are constipated in winter, walnut kernels and black sesame seeds can be mashed according to the ratio of 2: 1, and a spoonful is taken with warm water every morning, which has a remarkable effect.

Chestnut: Sweet and non-toxic, it has the effects of nourishing stomach, strengthening spleen, tonifying kidney and strengthening tendons, and is suitable for winter consumption. It contains unsaturated fatty acids and multivitamins, and can resist diseases such as hypertension, coronary heart disease and arteriosclerosis. It is a nourishing product for middle-aged people to resist aging and prevent diseases.

Sweet potato: delicious and cheap, with high nutritional value. According to the latest research results, it can provide a unique mucin for human body. The mixture of polysaccharide and protein can not only prevent atherosclerosis and reduce subcutaneous fat, but also keep the joint cavity lubricated and prevent sprain.

However, the disadvantage of sweet potato is that it contains a kind of "vaporized acid", which will produce carbon dioxide gas in the gastrointestinal tract after eating. Eating too much can cause heartburn and bloating, especially in patients with gastrointestinal diseases.

It is good to eat more hot pot in winter.

In the severe winter, the cold is pressing, and the human body needs more calories to maintain normal physiological activities, and hot pot, a catering form, just meets the needs of the body in winter.

The main ingredients of hot pot are generally mutton such as sheep, cattle, pigs, chickens and rabbits, as well as other products such as sea cucumber, prawns and dried rice. These foods can provide enough calories, fat and nutrition for the human body. All kinds of soups in hot pot not only keep out the cold and promote blood circulation after drinking, but also have wonderful effects of moistening skin, protecting skin and preventing dryness.