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 (pī-pĕr′ə-năl′, pĭ-)
A white powder, C8H6O3, having a floral odor, used as flavoring and in perfume.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Elements & Compounds) a white fragrant aldehyde used in flavourings, perfumery, and suntan lotions. Formula: C8H6O3. Also called: heliotropin
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(pɪˈpɛr əˌnæl, paɪ-, ˈpɪp ər ə-)

a white, crystalline, water-insoluble aldehyde, C8H6O3, that darkens on exposure to light: used in perfumery and organic synthesis.
[1865–70; piper (ine) + -one + -al1]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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Park, "Piperonal prevents high-fat diet-induced hepatic steatosis and insulin resistance in mice via activation of adiponectin/AMPK pathway," International Journal of Obesity, vol.
The Taiwan Ministry of Economic Affairs Industrial Development Bureau imposes strict reporting requirements in tracking the production, distribution, sale, storage, and export/import of precursor chemicals such as acetic anhydride, piperonal, safrole, piperidine, hydrogen chloride, and potassium permanganate.
Kang et al., "Piperonal ciprofloxacin hydrazone induces growth arrest and apoptosis of human hepatocarcinoma SMMC-7721 cells," Acta Pharmacologica Sinica, vol.
[11] reported that piperonal, which is extracted from plants of the laurel family, promotes sleep in healthy adults.
Giesbrecht, NMR Spectroscopy, Hammett Correlations and Biological Activity of Some Schiff Bases Derived from Piperonal, J.
In this work the hypothesis was tested by conducting the reaction on piperonal (3,4-methylenedioxybenzaldehyde).
* Piperonal kills lice and also gives you the enjoyable vanilla taste.
Vanilla (species of the genus Vanilla) contains piperonal, also known as heliotropin.1 Piperonal has aromatherapeutic qualities that might elevate mood and well-being.