QuercetinInflammationInflammation MediatorsFlavonolsFlavonoidsAntioxidantsOnionsMice, Inbred C57BLDisease Models, AnimalCytokinesAnti-Inflammatory AgentsMice, KnockoutLungPneumoniaTumor Necrosis Factor-alphaPlant ExtractsInterleukin-6Neurogenic InflammationBiological MarkersMacrophagesCells, CulturedOxidative StressBronchoalveolar Lavage FluidNeutrophilsC-Reactive ProteinLipopolysaccharidesNF-kappa BGlycosidesSignal TransductionColitisMice, Inbred BALB CDose-Response Relationship, DrugOvalbuminRNA, MessengerInterleukin-1betaPhenolsDermatitisPolyphenolsFlavanonesRespiratory HypersensitivityCarrageenanApoptosisAsthmaTime FactorsCatechinBronchial HyperreactivityGene Expression RegulationRats, Sprague-DawleyLeukocytesRats, WistarChemokinesApigeninEosinophilsInterleukin-8Glucosides