Bromelain

Pineapples contain an enzyme denominated bromelain that decomposes some proteins.

Source: tatoeba (1214131)

I let her in and left her sitting on the sofa while I microwaved some Chinese rice and poured pineapple juice into a glass. It was her comfort meal – grease and bromelain. She had often lectured me on pineapple’s anti-inflammatory properties, how it helped prevent cataracts and heart disease.

Source: wiktionary