English
Noun
- A particular protein digesting enzyme present in kiwi fruit. It is also an allergen.
User Contributed Dictionary
Extensive Definition
Actinidain (or actinidin) is an enzyme (cysteine protease) extracted from
kiwifruit (genus
Actinidia). It is
an allergen.
Actinidin can also be found in pineapples,
mangoes and papayas.