Skip to Content
Medical Term:


Pronunciation: pa-pa'in, -as


A cysteine endopeptidase, or a crude extract containing it, obtained from papaya latex. It has esterase, thiolase, transamidase, and transesterase activities; is used as a protein digestant, meat tenderizer, and to prevent adhesions. Formerly used to liquify contents of herniated intervertebral discs so that their contents could be removed by aspiration.

Synonym(s): papayotin

© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.