1, people who are allergic to pineapple, it is best to avoid eating pineapple as much as possible. Because pineapple contains proteolytic enzymes and belongs to protein, allergic people may have allergic reactions after eating pineapple. In order to avoid allergic reaction, when eating pineapple, you can first put the pineapple in boiling water for a while, and use high temperature to destroy proteolytic enzyme, thus avoiding allergic reaction.

People with oral diseases and stomach diseases had better eat less pineapple, because pineapple is an acidic fruit. After eating, it will stimulate the oral mucosa and cause discomfort. After eating pineapple, patients with gastric diseases will also stimulate gastric acid secretion and cause gastroesophageal reflux.

3, people with high blood pressure, it is best not to eat pineapple, because pineapple is rich in sugar, which will cause blood sugar to rise after eating. People with high blood pressure may induce high blood pressure after eating too many pineapples.

Because pineapple belongs to tropical fruit and belongs to people with hot constitution, it is best to eat less pineapple, because eating too much pineapple may get angry. When eating pineapple, it is best not to eat it with foods rich in protein, such as milk and eggs, or it may affect the absorption of protein in these foods.

5. When eating pineapple, it is best not to eat it with radish at the same time, because radish contains vitamin C enzyme, and pineapple is rich in vitamin C. Eating pineapple and radish together will lead to the destruction of vitamin C contained in pineapple. Moreover, eating pineapple and radish together will also produce substances that inhibit thyroid function and affect human health.