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papain

American  
[puh-pay-in, -pahy-in] / pəˈpeɪ ɪn, -ˈpaɪ ɪn /

noun

  1. Biochemistry. a proteolytic enzyme found in the fruit of the papaya tree, Carica papaya.

  2. Pharmacology. a commercial preparation of this used as a meat tenderizer and in medicine as a digestant.


papain British  
/ pəˈpeɪɪn, -ˈpaɪɪn /

noun

  1. a proteolytic enzyme occurring in the unripe fruit of the papaya tree, Carica papaya: used as a meat tenderizer and in medicine as an aid to protein digestion

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of papain

First recorded in 1885–90; papa(ya) + -in 2

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

For example, pineapple have a protease called bromelain, kiwifruit has actinidin and papaya have papain.

From US News ● Apr. 27, 2016

If papain had the same effect on human slipped discs, he reasoned, they would shrink back into place.

From Time Magazine Archive

Meat tenderizer, Arnold explains, is rich in papain, a protein-dissolving enzyme, which breaks down the venom.

From Time Magazine Archive

Smith sold his patent rights to Baxter Travenol Laboratories of Deerfield, Ill., which extracted from papain another enzyme, chymopapain, that was more potent and less toxic.

From Time Magazine Archive

According to Wurtz and Bouchut papain is prepared as follows: The fluid juice or the aqueous solution of the milky exudate is precipitated by the addition of ten times the volume of alcohol.

From The Medicinal Plants of the Philippines by Jerome Beers Thomas

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