First, choose fruits with less sugar. According to research, pineapple, honeydew melon, papaya, kiwi fruit, banana, grape and other fruits have high glycemic index, so dieters should avoid eating too much of these fruits. However, apples, kiwis, lemons, plums, cherries and oranges have low glycemic index, which is a good choice for dieters with fruit meals. Secondly, it is best to eat fruit before meals. Studies have shown that if you eat some fruits or drink 1-2 cups of juice 20-40 minutes before meals, you can prevent obesity caused by overeating. Because fruit or juice is rich in fructose and glucose, it can be quickly absorbed by the human body, so that the blood sugar concentration increases and the appetite decreases. The crude fiber in fruit can also make the stomach feel full. In addition, eating fruit before meals can significantly reduce the demand for fatty foods, thus indirectly preventing the adverse consequences of excessive fat accumulation in the body. But many fruits, such as persimmons, hawthorn, almonds and pineapples, can't be eaten on an empty stomach. In order to lose weight, when eating fruits before meals, it is best to choose fruits that are not too sour and astringent, such as apples, pears, bananas, grapes, watermelons and melons. It is difficult to lose weight after eating fruit. Because eating fruit after a meal is equivalent to eating more sugar, which is easy to be converted into fat and stored in the body, and may also gain weight. Especially don't eat a lot of fruit after dinner, because synthetic fat is most likely to accumulate in the body after eating at night. But some fruits can promote digestion, such as pineapple and kiwi fruit rich in protease, lemon and hawthorn rich in organic acids. For this kind of fruit, you can eat it about an hour after meals. Third, don't eat too much fruit. Most people think that fruits are rich in cellulose, almost free of fat and protein, and can be eaten without restraint. Actually, this is a misunderstanding. Fruit is not a low-energy food. Because it tastes sweet and easy to eat more, the sugar in it will be converted into fat and piled up. For example, every100g strawberry has about 30 calories. If you like strawberries and can eat a lot at a time, the calories you consume are amazing. For example, if you eat half a medium-sized watermelon (the pulp weighs about 2 kilograms), you will unconsciously consume 680 calories, which is equivalent to about three bowls of rice. Therefore, when eating fruit diet meals, we should control the consumption of fruit. Fruit weight loss ranking 1 apple: rich in pectin, it can help the intestine combine with toxins, accelerate detoxification and reduce calorie absorption. In addition, apples are also rich in potassium, which can prevent leg edema. Chew the slightly hard apple slowly and release the ingredients, which not only makes you feel full, but also has low calories. 2 grapefruit: the acidic substances of grapefruit can help increase digestive juice, thus promoting digestive function, and nutrients are easily absorbed. In addition, why is grapefruit listed as a must-eat fruit when losing weight again? The reason is that it is rich in vitamin C. A grapefruit is about 100 mg, which can not only eliminate fatigue, but also beautify the skin! The important thing is that the sugar content is low, so losing weight is the best way to supplement vitamin C. As for the heavy sour taste that many people are afraid of, I suggest you drop a little honey on the grapefruit, and the sour taste will be neutralized immediately! Tomatoes: Strictly speaking, tomatoes should be classified as vegetables. So it is often seen in ingredients. Tomato contains lycopene, dietary fiber and pectin, which can reduce calorie intake and promote gastrointestinal peristalsis. Moreover, the unique sour taste can stimulate the secretion of gastric juice and even improve the taste of food, which is a good healthy ingredient! 4 Pineapple: Have you ever heard people say that pineapples are "beneficial" and must be eaten after meals so as not to hurt your stomach? This statement is well-founded! Because the proteolytic enzyme of pineapple is quite strong, it can help protein digestion of meat, but if you eat it before meals, it is easy to cause stomach wall damage! Therefore, we must pay attention to the time problem when eating pineapple to lose weight. Banana: Banana with sugar as the main component can be digested immediately after eating and quickly replenish physical strength. Moreover, bananas are very full, and eating one can fill the stomach, and the calories are quite low. Don't think it's not good for losing weight just because it's sweet. (Suggestion: peeling bananas and mashing them into paste can make facial skin tender and refreshing for a long time, which is suitable for facial beauty of dry or sensitive skin with good effect. ) 6 Kiwifruit: Kiwifruit (Kiwifruit) containing a lot of vitamin C has always been the favorite of girls who love beauty. As for its dietary fiber and rich potassium, it can be included in the list of slimming fruits! Kiwi, like pineapple, also contains a lot of proteolytic enzymes, so it is the best match for meat dishes. The slightly sour and sweet kiwi fruit has the peculiar effects of preventing constipation, helping digestion and beautifying skin, but it is still available all year round, which provides a lot of convenience for everyone in the choice of fruit! 7 Lemon: The sour taste of lemon is mainly citric acid, which is an essential substance in the process of promoting heat metabolism and also has the effect of eliminating fatigue. The vitamin C content of lemon is also well known. Girls generally use it to whiten their skin, and its function of promoting intestinal peristalsis is often used as an auxiliary diet by dieters!