Vitamin C is a water-soluble vitamin that is indispensable to the body. Vitamin C has many physiological functions. It has strong redox properties, can protect cell membranes, and detoxify harmful substances. It can promote the synthesis of interstitial cells, and it can also promote the synthesis of vitamin D, corticosteroids, and sex hormones. It has been reported that vitamin C can inhibit the synthesis of nitrite amines and thus have anti-cancer effects. Vitamin C can also prevent nutritional anemia, lower cholesterol, and prevent atherosclerosis.
Peroxide produced in the elderly can promote body aging, and vitamin C has a redox effect that can delay aging. More importantly, vitamin C can improve the immune function of the elderly, and thus play a role in preventing and curing diseases. Fruits high in vitamin C include red fruits, oranges, lemons, oranges, kiwifruit, red dates, wild jujubes and so on. The contents of vitamin C in vegetables such as rapeseed, Chinese cabbage, szechuan, bell pepper, pepper, and bitter gourd are also high.