Blackcurrants are very rich in vitamin C, phosphorus, magnesium, potassium, calcium, anthocyanins, and phenolic substances. It can play a health care role in preventing gout, anemia, edema, arthritis, rheumatism, oral and throat diseases, cough, etc. <br /><br />Walnut, one of the four major dried fruits in the world, is also known as longevity fruit. It contains more protein and unsaturated fatty acids necessary for human nutrition. These ingredients are important substances in the metabolism of brain tissues and cells, which can nourish brain cells and enhance brain function; it also contains a large amount of vitamin E. Regular consumption can moisturize the skin and black hair, which can make the skin moist, smooth and elastic; when you feel tired, chewing some walnut kernels can also relieve fatigue and stress. <br /><br />applicable population<br /> It can be eaten by the general population and is especially suitable for mental workers and teenagers; but because it is warm, it is not suitable for people with diarrhea, excessive fire due to yin deficiency, phlegm heat cough, diarrhea, excessive internal heat and severe phlegm dampness. It should not be eaten with pheasant meat, and patients with pneumonia, bronchiectasis, etc. should eat as little as possible.