Mauri P.L., Iemoli L., Gardana C., Riso P., Simonetti P., Porrini M., Pietta P.G. (1999) Liquid chromatography/electrospray ionization mass spectrometric characterization of flavonol glycosides in tomato extracts and human plasma. Rapid Commun Mass Spectrom 13:924-31 PubMed (10353226)

Compound Mean content
Quercetin, total 91 mg/25 g