Five kinds of black food are edible, which can replenish vitality and enhance immunity.

In the high season of influenza, or at the moment of epidemic infection, it is also very important to strengthen one's own resistance besides avoiding contact with external pathogens. When it comes to supplements, black food is definitely on the list. The melanin in black food is called anthocyanin, which has a strong antioxidant effect and can remove active oxygen in the body. Chinese medicine also pointed out that black entering the kidney meridian can tonify the kidney and prevent aging.

Black sesame, black beans and black dates are all black foods that can resist oxidation, replenish vitality and enhance resistance. (Photo/Huang Zhiwen) According to the records in Shennong's Classic of Materia Medica and Compendium of Materia Medica, black food has the functions of nourishing liver and kidney, promoting blood circulation and caring skin, treating weakness and delaying aging, and most black foods have better antioxidant function than similar foods with lighter color. In addition, black ingredients are actually easy to obtain, such as black beans, black dates, black fungus and so on. Are healthy ingredients that can enhance immunity, resist oxidation and prevent arteriosclerosis.

1. Black dates: invigorating kidney and stomach.

Black dates are warm and sweet. Chinese medicine often uses black dates to relieve fever, promote blood circulation and regulate stomach, and treat cough and lung diseases. Their rich nutritional value includes dietary fiber, pectin, vitamin B 1, B6, nicotinic acid, vitamin C, potassium, iron and so on. More importantly, black jujube contains tannin and yellow pigment, which has excellent immune enhancement effect.

2. Auricularia auricula: Protecting the cardiovascular system

Auricularia auricula has the functions of preventing blood coagulation, preventing thrombosis and protecting cardiovascular diseases, and its calorie is extremely low. Every 65,438+000g contains 365,438+0 calories, including protein, fat, sugar and rich dietary fiber. It has the functions of promoting gastrointestinal peristalsis, increasing satiety and helping defecation.

3. Blackcurrant: Detoxification and Antioxidant

Don't try to watch small blackcurrants. Blackcurrants are rich in anthocyanins, which are natural antioxidants and help to inhibit free radicals in the body. When cough, sore throat and other initial cold symptoms appear, taking blackcurrant jam and soaking in water can also effectively relieve cough.

4. Black beans: preventing arteriosclerosis

The content of protein in black beans is as high as 36%-40%, which is twice that of meat, three times that of eggs and 12 times that of milk. Eating black beans often can soften blood vessels, moisturize skin and delay aging, especially for patients with hypertension and heart disease. In addition, oligosaccharides and fiber can also help promote intestinal peristalsis and prevent constipation.

5. Black sesame: tonifying kidney and benefiting qi

Black sesame has the functions of nourishing liver and kidney and moistening five internal organs. The water-soluble melanin in the seed coat of black sesame contains polyphenols and tannins, which is the main source of antioxidant activity, so it is more nutritious than white sesame. In addition, there are a variety of essential amino acids that can accelerate the metabolic function of the human body.