1, grapes not more than 200 grams per day.

2, grapes are rich in vitamin C and a lot of water, sugar and so on. Often eat grapes, can enhance immunity, have diuretic detoxification effect. However, because grapes are cold fruits, adults should not exceed 200 grams a day, and children should not exceed 50 grams. Because the sugar content of grapes is relatively high, if you eat too much at once, it will affect the health of the teeth, diabetic patients should pay more attention to control blood sugar. Also note that after eating grapes, do not drink water immediately, may lead to diarrhea.