Glucuronidated Metabolites of the Flavonoid Quercetin do not Auto-Oxidise, do not Generate Free Radicals and do not Decrease Nitric Oxide Bioavailability - Lodi, Federica; Jiménez, Rosario; Menendez, Carmen; Needs, Paul W; Duarte, Juan; Perez-Vizcaino, Francisco (Planta Medica, 2008)