Before eating pineapple, there is no need to soak it in salt water. After buying it, you can eat it directly. If you want to soak it in water, you can do it. If you soak it, you should pay attention to the time. It's better to soak it for 15 minutes. The longest time is about half an hour. If you soak it for a long time, some bacteria may grow.
Pineapple needs to be soaked in salt water before eating, because it contains a kind of bromelain. After eating, it will break down the protein in our body, which will stimulate the mucous membrane in our mouth. In serious cases, there will be adverse symptoms of headache and vomiting. And before eating, soak it, you can destroy it, so that you won't feel uncomfortable after eating.
The immersion time of saltwater should also be controlled at half an hour. If the time is too long, there will be bacteria and the taste will be reduced. After soaking in salt water, rinse it with water. It will taste better.