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piperine

American

[pip-uh-reen, -er-in] / ˈpɪp əˌrin, -ər ɪn /

noun

Chemistry.

a white, crystalline alkaloid, C 1 7 H 1 9 NO 3 , obtained from pepper and other piperaceous plants and also prepared synthetically: used as an insecticide.

piperine British

/ ˈpɪpəˌraɪn, -rɪn /

noun

a crystalline insoluble alkaloid that is the active ingredient of pepper, used as a flavouring and as an insecticide. Formula: C 17 H 19 NO 3

"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 piperine

1810–20; < Latin piper pepper + -ine ¹

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:

piperine

Plant-based supplements containing quercetin, curcumin, and piperine improved fatigue compared with placebo.

From Science Daily ● Jan. 8, 2026

That’s where piperine from black pepper comes in.

From Seattle Times ● Jan. 11, 2023

Because the fruit has been stripped of its outer layer of flesh, which contains the piperine compound, white peppercorns are not as peppery.

From Washington Post ● Feb. 11, 2022

Regarded as the world's most traded spice, black pepper gets its spicy warmth from a compound called piperine.

From Salon ● Jan. 11, 2022

He has proved that the alkaloid so obtained is identical with that prepared from piperine.

From Scientific American Supplement, No. 623, December 10, 1887 by Various

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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023