fla·vo·nol

(flā′vō-nôl′, -nōl′, -və-)

1. A yellow crystalline flavonoid, C₁₅H₁₀O₃, that is structurally related to flavone.

2. Any of various derivatives of this compound, such as quercetin, found in foods such as onions, green vegetables, tea, apples, and grapes, and usually occurring as glycosides.

[flavon(oid) + -ol.]

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.

flavonol

(ˈfleɪvəˌnɒl)

1. (Elements & Compounds) a flavonoid that occurs in red wine and is said to offer protection against heart disease

2. (Medicine) a flavonoid that occurs in red wine and is said to offer protection against heart disease

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

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References in periodicals archive

The flavonol content of the fresh cut potatoes can increase 100% with storage 4[degrees]C under light or long-term storage in darkness (4[degrees]C, 6 months).

Flavonoids in Our Foods: A Short Review

Recent research suggests that organic onions may have more antioxidant activity and flavonol content than conventional onions.

Organic onions may have more antioxidant activity, higher flavonol content

This is because cocoa contains flavonol, a type of phytochemical that boosts skin hydration, plumps up the density, and improves blood flow to the surface.

Choc shock - IT'S GOOD FOR YOU! You might be feeling overwhelmed with the amount of chocolate about the house today, but luckily our favourite treat is brimming with goodness. We take a look at the health benefits so you can enjoy it without feeling guilty

AgroLiquid's Flavonol Polymer Technology can deliver the potassium in Sure-K to the plant with superior accuracy and efficiency.

Potassium (K)

CHI, an early enzyme of the flavonols biosynthesis pathway, was found to be the key gene for increasing flavonol production [21].

Profiling of the Major Phenolic Compounds and Their Biosynthesis Genes in Sophora flavescens Aiton

Antioxidant and antiatherogenic properties of phenolic acid and flavonol fractions of fruits of 'Amari' and 'Hallawi' date (Phoenix dactylifera L.) varieties.

Role of Ajwa in the treatment and prevention of ischaemic heart disease

Summary: The presented research work demonstrates a new methodology for generating a petite library of novel flavonol derivatives via Algar-Flynn-Oyamada reaction.

A Facile Microwave-Assisted Synthesis of 3-hydroxy-2-phenyl-4H-chromen-4-one and its Derivatives via a Novel Approach

Extract yields, total phenolic, flavonoid and flavonol contents

Antioxidant Properties and Phenolic Composition of Salvia virgata Jacq/Salvia virgata Jacq.'in Antioksidan Ozellikleri ve Fenolik Icerigi