Pineapple is generally not to be consumed in excess. Pineapple is rich in carbohydrates, vitamins and trace elements, can replenish the body’s nutrition, every 100 grams of pineapple contains 44 calories, carbohydrates 10.8 grams, 0.5 grams of protein, 0.1 grams of fat, dietary fiber 1.3 grams. But pineapple can not eat more. Pineapple in the sugar is relatively high, eat more will cause excessive sugar intake, especially diabetic patients should not eat too much. Pineapple also contains a special bromelain, mainly concentrated in the middle of the pineapple, excessive consumption will lead to oral mucosal bleeding, gastrointestinal discomfort, serious allergic reactions. Therefore, pineapple is not to eat more, you can remove the middle part when eating, or soak in light salt water for a few minutes before eating, to reduce the intake of bromelain.