Pineapple will corrode the tongue is related to the pineapple containing bromelain, which can be eaten after soaking in salt water. Pineapple is a common fruit, every 100 grams of pineapple contains 88.4g water, 0.5g protein, 10.8g carbohydrates, 20mg carotene, 18mg vitamin C and so on. The reason why pineapple will corrode the tongue, mainly with pineapple contains bromelain, and bromelain can decompose protein related, can be manifested as tongue numbness, pain, etc.. In order to alleviate the phenomenon of pineapple corrosion of the tongue phenomenon, before eating can be soaked in light salt water for a period of time. It is worth noting that, although eating pineapple in moderation can supplement the body’s required nutrients, provide energy, but should avoid long-term consumption of large quantities, so as not to cause counterproductive. In addition to pineapple, other fruits such as apples, bananas and oranges can be eaten in moderation on a daily basis. It is recommended that people ingest fresh pineapple, and not when the food is spoiled, so as not to cause diarrhea, abdominal pain and other uncomfortable symptoms. If the symptoms are difficult to relieve, you should seek medical attention.