Flavone From Plants—Uncommonly Common? A Comprehensive Review
Karin Valant-Vetschera,
Lothar Brecker,
Johann Schinnerl
Abstract:Flavone is a very simple and unsubstituted flavonoid of restricted distribution in the plant kingdom. Historically it is known for a long time as major constituent of many Primula and Dionysia exudates produced by glandular hairs in unusually large amounts, often as a farinose (mealy) deposit on aerial plant parts. The ecological function of this unique farinose deposit and its main compound flavone is still not really understood. Concerning flavone, a knowledge gap exists about its biosynthetic origin, when c… Show more
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