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.
Barcode Readers - Did you know that barcode readers read the white parts and not the black? The readers work by emitting rays of light onto the barcode and having the white parts reflect it back.
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.