flavonol

flavonol

[fley-vuh-nawl, -nol]
noun Chemistry.
1.
the 3-hydroxy derivative of flavone, many of whose derivatives, as quercetin, are naturally occurring yellow dyes.
2.
any derivative of this compound.

Origin:
1895–1900; flavone + -ol1

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World English Dictionary
flavonol (ˈfleɪvəˌnɒl)
 
n
a flavonoid that occurs in red wine and is said to offer protection against heart disease

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