Expert: Black food is best for nourishing the kidneys

　　Although everyone yearns for skin The whiter the food, the better, but nutritionists recommend that the darker the food you eat, the better. healthy . Black food’s nourishment and care for the kidneys have been recognized by experts.

　　Black food is generally rich in trace elements and vitamins, such as what we usually call the “five black categories”:

　　1. Black rice:

　　The treasure of rice - black rice, also known as "black pearl", is rich in protein, amino acids and trace elements such as iron, calcium, manganese and zinc. It has the effects of appetizing, nourishing the body, smoothing and replenishing essence, strengthening the spleen and liver, relaxing muscles and activating blood circulation.；

　　Black rice and purple rice are both precious varieties of rice and belong to the glutinous rice category. Main nutrients (brown rice): Based on dry matter, black rice contains 8.5-12.5% ​​crude protein, 2.7-3.8% crude fat, 75-84% carbohydrates, and 1.7-2% crude ash. Black rice contains mostly 1 to 3 times more inorganic salts such as manganese, zinc, and copper than rice. ； It also contains special ingredients such as vitamin C, chlorophyll, anthocyanins, carotene and cardiac glycosides that rice lacks. Rice porridge cooked with black rice is fragrant and shiny, soft and glutinous, palatable, nutritious and has a good nourishing effect, so it is called "blood-tonifying rice", "longevity rice", etc. ； There is a folk saying in our country that "whenever there is darkness, you must mend it."

　　Traditional Chinese medicine believes that black rice has significant medicinal value. Ancient agricultural medical books record that black rice "nourishes yin and nourishes the kidneys, strengthens and warms the stomach, improves eyesight and activates blood circulation", "clears the liver and moistens the intestines", "lubricates dampness and replenishes essence, nourishes the lungs and slows tendons" and other effects； It can be used as medicine or food to treat dizziness, dizziness, anemia It is especially effective for white hair, soreness of waist and knees, night blindness and tinnitus. Long-term consumption can prolong life. Therefore, people commonly call it: "medicine rice" and "longevity rice". Because it is most suitable for pregnant women and postpartum women to replenish blood, it is also known as "moon rice", "blood replenishing rice", etc. Emperors of past dynasties also regarded it as a palace health treasure, called "tribute rice".

　　Modern medicine has confirmed that black rice has the effects of nourishing yin and nourishing the kidneys, strengthening the spleen and warming the liver, replenishing the spleen and stomach, replenishing qi and activating blood circulation, nourishing the liver and improving eyesight. Regular consumption of black rice is helpful in preventing and treating dizziness, dizziness, anemia, gray hair, eye diseases, soreness of waist and knees, and dryness of the lungs. cough ,big constipate knot, difficulty urinating, Kidney deficiency Symptoms include edema, loss of appetite, and weakness of the spleen and stomach. Since most of the nutrients contained in black rice are concentrated in the black cortex, it is not suitable for fine processing. It is better to eat brown rice or standard third-grade rice.

　　2. Black beans

　　Beans are praised by the ancients as the valley of the kidneys. Black beans are sweet in taste and mild in nature. Not only do they look like kidneys, they also have the functions of nourishing the kidneys and strengthening the body, activating blood and diuresis, detoxifying, and moisturizing. They are especially suitable for patients with kidney deficiency.； Known as the "Nutritional Warehouse", black dates are warm in nature and sweet in taste, and have the functions of nourishing qi, kidneys, stomach and blood. ；

　　Research shows that the protein content in black beans is as high as 36%-40%, which is equivalent to twice that of meat. egg 3 times that of milk and 12 times that of milk； Black beans contain 18 kinds of amino acids, especially 8 kinds of amino acids necessary for the human body ； Black beans also contain 19 kinds of oleic acid, with an unsaturated fatty acid content of 80% and an absorption rate of over 95%. In addition to meeting the body's need for fat, it also has the effect of lowering blood cholesterol. Black beans basically contain no cholesterol and only contain plant sterols. Phytosterols are not absorbed and utilized by the human body. They also inhibit the body's absorption of cholesterol and reduce cholesterol levels in the blood. Therefore, regular consumption of black beans can soften blood vessels, moisturize the skin, and delay aging. It is especially beneficial to patients with high blood pressure and heart disease.

　　Black beans are mild in nature and sweet in taste.； Returns to the spleen and kidney meridians ； It has the functions of reducing swelling and reducing qi, moistening the lungs and drying heat, activating blood and diuresis, dispelling wind and numbness, nourishing blood and calming the nerves, improving eyesight and strengthening the spleen, tonifying kidney and yin, and detoxifying. ； Used for swelling, swelling and wind poisoning beriberi , jaundice and edema, wind paralysis spasm, Postpartum It can treat wind pain, stuttering, carbuncle and sores, and can detoxify the medicine, control wind and heat, stop night sweats, black hair, and prolong life.