It is best to soak pineapples for about half an hour, and it is best not to soak them for a day. Soaking it for a day will dilute the nutrients in the pineapple and affect the taste.

Reasons:

1. Not only can it avoid allergic accidents, but it can also decompose part of the organic acids of pineapple in the salt water, making the taste of pineapple appear sweeter. In addition, pineapples also contain oxalic acid, which will affect the body's absorption of calcium and iron. Soaking in salt will also neutralize its acidity and reduce possible harm to the body;

2. If you want to keep pineapples fresh For taste, you can soak the pineapple cut into slices or pieces in salt water for about 30 minutes, and then soak it in cold boiled water to remove the salty taste. This can also achieve the purpose of eliminating allergies.