flavone

fla.vone

n.（名词）
A crystalline compound, C5H 0O 2, the parent substance of a number of important yellow pigments, occurring on the leaves or in the stems and seed capsules of many primroses.
黄酮：一种存在于各种樱草的叶子或茎以及种囊中的晶状粉末，C5H 0O 2，是许多重要黄色颜料的原料