1-3 is more suitable. And if you want to supplement vitamin C, three oranges are the best.

Nutrition experts say that eating three oranges a day can meet everyone's daily demand for vitamin C. Therefore, friends who want to supplement vitamin C by eating oranges don't need to eat a lot of oranges, just eat three a day. Besides, eating too much oranges is harmful, not only easy to get angry, leading to oral ulcers, but also organic acids in fruits can stimulate gastric mucosa and damage gastrointestinal tract. Eating a lot of oranges for a long time will not only harm the health of the stomach, because a large amount of carotene is ingested, but also the risk of yellowing the skin.

What are the disadvantages and hazards of eating too many oranges in autumn and winter?

1, lithiasis

Oranges are rich in nutrients such as vitamin C, citric acid and glucose. If eaten properly, they can nourish the body. Especially for patients with chronic hepatitis and hypertension, eating tangerines can improve the detoxification of the liver, accelerate the transformation of cholesterol, prevent arteriosclerosis, and increase appetite. However, if eaten improperly, it will be useless. If vitamin C is consumed too much, the oxalic acid metabolism in the body will increase, which will easily lead to urolithiasis, kidney calculi's and other lithiasis.

2. Get angry

Eating oranges in moderation can promote digestion, prevent colds and improve constipation. However, oranges are warm, and if you eat more, you will easily get angry, resulting in symptoms such as sore mouth, dry mouth, dry throat and constipation. Especially those who belong to the constitution of yin deficiency and yang excess, it is best to eat less, otherwise it will lead to the above-mentioned symptoms of getting angry.

3. The skin turns yellow

Although oranges are rich in vitamin C and citric acid, they can detoxify, beautify and relieve fatigue. However, oranges are also rich in carotene. Eating more oranges at one time or for a long time will lead to excessive intake of carotene and yellow skin, mainly in the palms and soles of the feet. Of course, you can recover after stopping eating for a while. Once you eat too much and cause yellow skin, if you want to recover quickly, you can drink plenty of water to facilitate the metabolism of pigments. In addition, in addition to drinking more water and not eating orange fruits for the time being, we should also limit the intake of foods rich in carotene.

4. Adverse reactions

If children eat a lot of oranges and eat too much vitamin C and carotene, they will have adverse reactions such as indigestion, vomiting, loss of appetite, general fatigue, etc. A large amount of carotene will not be converted in time in children's liver and will be deposited everywhere with blood, which will cause adverse reactions to the body.

5, sour teeth

This is mainly caused by orange acid. After eating more acidic food, it will cause the situation of inverted teeth. In this case, there is generally no need for treatment, and it can be recovered in about a day, so there is no need to worry too much. Of course, when you feel your teeth are sore after eating oranges, you can rinse your mouth with light salt water as soon as possible. Rinsing with light salt water can effectively reduce the acidic substances in the mouth. Or mashing garlic, biting it on acid teeth or chewing a few cloves of garlic directly can also effectively neutralize the acid remaining in teeth and mouth and reduce the degree of dental acid.