Salt is added to pineapple in several countries because it neutralizes the acid. These pineapples, not like the ones we have in Europe and the American continent (guessing here), are so acid they can burn your tongue.
Peanut Butter - One pound of peanut butter can potentially contain 5 rodent hairs and up to 150 bug fragments. It's time to reconsider all those peanut butter and jelly sandwiches.
Salt is added to pineapple in several countries because it neutralizes the acid. These pineapples, not like the ones we have in Europe and the American continent (guessing here), are so acid they can burn your tongue.