the yellow, crystalline dyestuff, CHO, extracted from the inner bark of the black oak and also produced synthetically
Origin of quercetinfrom Classical Latin quercetum, oak forest from quercus, oak ( from Indo-European base an unverified form perkwus, oak from source fir) + -in
A yellow flavonol, C15H10O7, found in glycoside form in tea and in many vegetables and fruits. It is an antioxidant and is used as a dietary supplement for its supposed antihistaminic, anti-inflammatory, and antitumor properties.
Origin of quercetinLatin quercētum oak forest ( from quercus oak ; see perkwu- in Indo-European roots.) -in