When it comes to Vitamin C, many people immediately think of fruit, and some even believe that as long as they eat fruit regularly, they won't be deficient in Vitamin C. In fact, this view is one-sided. Some fruits are rich in Vitamin C, while others contain very little. According to some data, kiwifruit, fresh jujubes, strawberries, loquats, oranges, tangerines, and persimmons are rich in Vitamin C. Calculating the Vitamin C content per 100 grams of fruit, kiwifruit contains 420mg, fresh jujubes 380mg, strawberries 80mg, oranges 49mg, loquats 36mg, and tangerines and persimmons 30mg each. Bananas and peaches contain 10mg each, grapes, figs, and apples only 5mg each, and pears contain only 4mg.
It has been determined that adults need 60mg of Vitamin C per day. If you were to get this from fruits with low Vitamin C content, you would need about 25 figs, 14 pears, or 1.5 kilograms of grapes. Therefore, eating just one or two fruits with low Vitamin C content is actually not very helpful. However, if you eat fruits high in Vitamin C like kiwifruit, citrus, or persimmons, one or two a day is sufficient. For fresh jujubes or strawberries, only five or six are needed to get the daily required amount of Vitamin C. Therefore, to supplement enough Vitamin C, you should be selective when choosing fruits.
In addition, there are other factors that affect the Vitamin C content in fruits. For example, to prevent pests and sun damage, some fruits are often wrapped in paper bags during their growth, which results in a decrease in Vitamin C content. When fruits are harvested in abundance during the summer and stored in cold storage to be sold in winter, their Vitamin C content also decreases. Modern households generally have refrigerators, and many people like to buy large quantities of fruit and store them. However, the longer fruits are stored, the more Vitamin C is lost.
It is worth mentioning that although some people eat a lot of fruits rich in Vitamin C, they have the bad habit of smoking. Since smoking can hinder the body's absorption of Vitamin C, and nicotine in tobacco can also destroy Vitamin C, they are also prone to Vitamin C deficiency. People who engage in strenuous exercise or heavy physical labor also lose large amounts of Vitamin C through sweat. Some diseases and medications can also affect the absorption of Vitamin C. Therefore, fruit cannot be the only source of Vitamin C for the human body, and if necessary, Vitamin C tablets should be taken as a supplement.