Multiple choice It hurts to eat pineapple because... It has a high concentration of citrus It has microscopic shards of its shell in the "meat" It has an enzyme which actively breaks down animal tissue It makes your nerves hypersensitive Reveal answer Fill a bubble to check yourself C Correct answer Explanation Pineapple contains bromelain, a mixture of enzymes that digest proteins. When you eat pineapple, it effectively begins to digest the tissues in your mouth, which causes the sensation of soreness.