Red food-anti-cold
If you are naturally weak and vulnerable to cold virus, red food will help you. As for carrots, which are slightly lighter in color than peppers, the carotene contained in them can be converted into vitamin A in the body, which plays a role in protecting human epithelial tissues such as respiratory mucosa. Regular consumption can also enhance the body's ability to resist colds. Besides red peppers and carrots, amaranth, onion, red dates, tomatoes, sweet potatoes, hawthorn, apples, strawberries and old pumpkins also have this effect.
Purple food-anti-angiosclerosis
After nearly 20 years of painstaking research, Dr. David Sieber of the United States found that purple fruits and vegetables contain anthocyanins, which have a strong anti-hardening effect, thus preventing strokes caused by heart attacks and thrombosis. This kind of food includes black strawberries, cherries, eggplant, plums, purple grapes, black pepper and so on. If you have cardiovascular and cerebrovascular diseases, you should always get close contact with purple food.
Orange food-prevention of osteoporosis
Orange foods, such as carrots, soybeans, peanuts and apricots, are rich in two vitamins: one is vitamin A; The other is vitamin D.
Vitamin A can protect gastrointestinal mucosa and prevent gastritis, gastric ulcer and other diseases. Vitamin D can promote the absorption of calcium and phosphorus, and has a certain preventive effect on common diseases such as rickets in children, myopia in adolescents and osteoporosis in middle-aged and elderly people. Therefore, it is undoubtedly wise for these people to emphasize a little yellow food.
Green food-protecting the heart
Green fruits and vegetables are rich in folic acid, which has been proved to be one of the "panacea" to prevent fetal neural tube malformation. At the same time, a large amount of folic acid can effectively remove too much homocysteine in the blood and protect the heart. In addition, green vegetables are also the best source of calcium, enjoying the title of "life element", and their reserves are more than milk containing calcium and rich in minerals, so eating "green" is regarded by nutritionists as the best way to supplement calcium.
Black food-prevention of cardiovascular and cerebrovascular diseases
Black food such as laver, black rice and black-bone chicken can obviously reduce the incidence of serious diseases such as arteriosclerosis, coronary heart disease and stroke. In addition, auricularia auricula can prevent and treat urinary calculi, and black-bone chicken can regulate women's menstruation.
White food-can calm the mood.
White foods such as winter and winter, wax gourd, bamboo shoots, cauliflower and lettuce have certain effects on regulating eyesight and stabilizing mood. It also has many benefits for patients with high blood pressure and heart disease.