quercitin

biochemistry

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In coloration: Anthoxanthins
…flavonoid is the pale-yellow flavonal quercitin, first isolated from an oak (Quercus) but widely distributed in nature. A weak acid, it combines with strong acids to form orange salts, which are not very stable and readily dissociate in water. Quercitin is a strong dyestuff; it yields more than one colour,…
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