Anyone who's enjoyed fresh pineapple has likely experienced that peculiar tingling on the tongue and palate. Ever wondered why?
This stinging sensation stems from bromelain, a powerful group of protein-digesting enzymes naturally found in pineapple. These enzymes irritate the sensitive tissues lining your mouth, breaking down proteins on your tongue, cheeks, and palate. Fortunately, your mouth's cells regenerate rapidly, so the discomfort fades quickly. Once swallowed, saliva and stomach acid neutralize the bromelain, rendering it harmless.
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Source: IFLScience | Julien Pianetti
