In our daily life, there are many kinds of food with different colors, each with its specific nutrition and effects on human body. As a result, this article will introduce some kinds of black food in daily diet, all of which have a lot of benefits on human health.

1. Black bean:
Traditional Chinese medicine believes that black bean is a kind of nourishing food to promote urination and detoxification. It contains a variety of antioxidants. For example, isoflavone can improve the symptoms of palpitation, night sweat, insomnia, and so on. Anthocyanin and the large number of vitamin E not only can tonify the kidney and enrich the blood, but can also effectively prevent the aging process. What's more, black bean can also eliminate the dark circles on the face, so it plays an important in skin beauty and skin care.

2. Grape:
Grape can remove the wastes and toxins in the kidney. At the same time, it contains great amounts of antioxidant--polyphenol, which can inhibit the free radicals in the body, and delay the aging process. If you often drink grape juice, it can reduce the risk of kidney stones by 59%. In addition, grape seeds contain a high content of anthocyanin, which not only can resist against oxidation, but can also make the skin white. As a result, when you make grape juice, do not throw the seeds away.

3. Black agaric:
Black agaric can nourish the vitality, activate blood circulation, and eliminate the heat and toxins in blood, so as to prevent its deposition in the kidney. At the same time, it contains plenty of pectin, which has a powerful absorbability. It can remove the wastes and toxins in the digestive system and clean the blood. What's more, often eating black agaric can also improve the symptoms such as yellow hair and hair loss. However, do not eat fresh agaric during the hot summer, otherwise it may easily cause dermatitis.

4. Dark plum:
Dark plum is rich in potassium but low in sodium. What's more, it contains a large number of organic acids, which, after being absorbed by the bowel wall, will soon change into alkaline substance. It has good effect in regulating the balance of body fluid and eliminating the wastes in the body. During the hot summer, you can mix dark plum and crystal sugar together, and then make them into juice, which has the effect of promoting the secretion of saliva or body fluid, as well as expelling the toxins out of the body.