Oranges are rich in vitamin B 1, which plays an important role in signal transduction of nervous system. In addition, the carotene content in oranges is much higher than other fruits, which can be converted into vitamin A in human body, and has the function of protecting eyes and improving eyesight. Oranges also contain antioxidant, anticancer and antiallergic components, which can help reduce the incidence of coronary heart disease, stroke and hypertension.

2. orange

Oranges are rich in vitamin C, calcium, phosphorus, beta carotene, citric acid, hesperidin and other nutrients. Studies have shown that drinking three glasses of orange juice a day can reduce the cholesterol content in the body. In addition, eating oranges in moderation can relieve cough and protect the lungs.

3. Grapefruit

Grapefruit is rich in carotene, B vitamins, vitamin C and various minerals. Grapefruit is cold, and eating grapefruit helps to remove fire. In addition, the study found that naringin, a bitter component unique to grapefruit, has the same effect as the two drugs currently used to treat type 2 diabetes, which can improve the sensitivity of human body to insulin and help control blood sugar.

4. Hawthorn

Hawthorn is rich in vitamins and minerals, especially lipolytic enzymes, which can promote the digestion of fatty foods. In addition, hawthorn also contains a large number of flavonoids and organic acids, which have the functions of preventing cancer and lowering blood pressure.

5. Kiwifruit

Kiwi is one of the fruits with the highest vitamin C content. In addition, kiwifruit is also rich in vitamin K, which is not only related to blood coagulation function, but also beneficial to bone health. Studies have shown that kiwifruit is rich in antioxidants and serotonin, which helps to improve sleep quality.

Extended data:

1, don't eat fruit on an empty stomach.

For people who want to lose weight, fruit is often used as a meal replacement. When they are hungry, they are used to taking fruit to satisfy their hunger, but they must never eat fruit on an empty stomach, otherwise it will do great harm.

Generally, fruits are rich in dietary fiber. If you eat fruit on an empty stomach, it will stimulate the secretion of digestive juice, leading to excessive gastric acid secretion. Because there is no digestible food in the stomach, gastric acid will directly stimulate the gastric mucosa, damage the stomach and cause stomach problems.

In addition, apples, oranges, pears and other fruits that are often eaten contain a lot of pectin, which will react with gastric acid to form insoluble lumps, leading to an increase in stomach pressure and symptoms of stomach pain. Bananas, for example, contain a lot of magnesium. Once eaten on an empty stomach, magnesium in human blood will suddenly rise, inhibiting cardiovascular diseases and endangering health.

Don't eat fruit immediately after meal.

A major feature of fruit is that it is rich in vitamins and dietary fiber, which is unmatched by other foods. The dietary fiber of fruit can improve the peristalsis of the stomach, enhance the digestion ability of the stomach, digest the food in the stomach, and avoid the symptoms of bloating and indigestion.

According to this characteristic of fruit, many people choose to eat fruit after meals, thinking that this can effectively help digestion and prevent food from turning into fat and making people fat.

However, it is absolutely wrong to eat fruit after meals. When you start eating, your stomach will start to digest, but after a meal, the food in your stomach can't be digested immediately. Eating fruit immediately after a meal will undoubtedly increase the digestive burden of the stomach and lead to a stronger sense of fullness. Fruit can not only fail to exert its digestive characteristics, but also cause indigestion symptoms, thus damaging your stomach.

Don't eat the fruit just taken out of the refrigerator.

Although fruit is delicious and nutritious, it has a certain shelf life. If you can't finish eating the fruit within the shelf life, the fruit will rot, deteriorate and grow mildew.

This kind of fruit not only tastes bad, but also is harmful to health. Therefore, in order to prolong the shelf life of fruits and lock the freshness of fruits, many people will store fruits in the refrigerator, or even choose to buy them back and put them in the refrigerator.

However, if you put the fruit in the refrigerator, the temperature of the fruit will decrease. Eating this fruit will stimulate the stomach through freezing, so that the blood vessels in the stomach will contract due to cold, causing stomach discomfort and prone to symptoms of stomach pain and diarrhea.

People's Daily Online-What are the taboos in winter fruit recommendation?

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There are six kinds of seasonal fruits in winter:

Orange seed

Oranges are rich in vitamin C, calcium, phosphorus, beta carotene, citric acid, hesperidin and other nutrients. Studies have shown that drinking three glasses of orange juice a day can reduce the cholesterol content in the body. In addition, eating oranges in moderation can relieve cough and protect the lungs.

sugarcane

Sugarcane contains many nutrients needed by human body, especially its iron content is as high as1.3 mg100 g, which ranks first among all kinds of fruits and has the reputation of "blood-enriching fruit". Sugarcane or oral cleanser. Chewing sugar cane can improve the self-cleaning and caries prevention ability of teeth and exercise facial muscles.

hawthorn

Hawthorn is rich in vitamins and minerals, especially lipolytic enzymes, which can promote the digestion of fatty foods. In addition, hawthorn also contains a large number of flavonoids and organic acids, which have the functions of preventing cancer and lowering blood pressure.

Pingguo (county)

Apples are rich in pectin, phenolic acids and flavonoids besides basic nutrients such as potassium, calcium and iron, which are beneficial to health. Epidemiological studies have found that eating apples helps to reduce the risk of cancer, cardiovascular disease, asthma, diabetes and other diseases.

Tangzi

Oranges are rich in vitamin B 1, which plays an important role in signal transduction of nervous system. In addition, the carotene content in oranges is much higher than other fruits, which can be converted into vitamin A in human body, and has the function of protecting eyes and improving eyesight. Oranges also contain antioxidant, anticancer and antiallergic components, which can help reduce the incidence of coronary heart disease, stroke and hypertension.

shaddock

Grapefruit is rich in carotene, B vitamins, vitamin C and various minerals. Grapefruit is cold, and eating grapefruit helps to remove fire. In addition, the study found that naringin, a bitter component unique to grapefruit, has the same effect as the two drugs currently used to treat type 2 diabetes, which can improve the sensitivity of human body to insulin and help control blood sugar.