ac·​ti·​nid·​in ak-tə-ˈnī-dᵊn How to pronounce actinidin (audio)
plural actinidins
: an enzyme found especially in the kiwifruit that breaks down protein by hydrolysis and is used chiefly as a tenderizer for meat
When you're cooking with kiwi, remember they contain an enzyme called actinidin that prevents gelatin from setting up in the same way that the enzyme bromelain in pineapple does.Barbara Durbin, The Oregonian (Portland, Oregon), 21 Aug. 2001

Word History


actinid(ia) + -in entry 1

First Known Use

1980, in the meaning defined above

Time Traveler
The first known use of actinidin was in 1980

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Cite this Entry

“Actinidin.” Dictionary, Merriam-Webster, Accessed 21 May. 2024.

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