Noun
any of a large class of plant pigments having a chemical structure based on or similar to flavone
Source: WordNetAn acute toxicity test in mice has demonstrated that ethanol extract mixed with isocytisoside, the main flavonoid compound from the leaves and stems of Aquilegia vulgaris, can be classified as non-toxic, since a dose of 3000 mg/kg did not cause mortality. Source: Internet
PMID 9497359 Osajin and pomiferin are flavonoid pigments present in the wood and fruit, comprising about 10% of the fruit's dry weight. Source: Internet
Lamaison and Carnet have designed a test for the determination of the total flavonoid content of a sample (AlCI 3 method). Source: Internet
Yellow onions have the highest total flavonoid content, an amount 11 times higher than in white onions. Source: Internet
Quercetin, a flavonoid in strawberries, is an anti-inflammatory and an anti-histamine and is also believed to help fight against cancer and heart disease. Source: Internet
Notice the 3 ring structures in the diagram; this is what makes these two molecules a flavonoid. Source: Internet