Quercetin

Quercetin is a bioflavonoid pigment found naturally in many foods, especially vegetables and fruit. Apples and onions boast the highest levels of this pigment, which may also be present in green tea, certain berries, ginkgo biloba and red wine.

References

Bhaaskar S, Shalini V, Helen A. 2011. Quercetin regulates oxidized LDL induced inflammatory changes in human PBMCs by modulating the TLR-NF-kB signaling pathway. Immunobiology, 216(3): 367-73.

Derlindati E et al., 2012. Quercetin-3-O-glucuronide affects the gene expression profile of M1 and M2a human macrophages exhibiting anti-inflammatory effects. Food Funct. 3(11): 1144-52.

Nickel T, et al. 2011. Immunoregulatory effects of the flavonol quercetin in vitro and in vivo. Eur J Nutr. 50(3): 163-72.

Cavalcanti E et al., 2014. Administration of reconstituted polyphenol oil bodies efficiently suppresses dendritic cell inflammatory pathways and acute intestinal inflammation. PLoS One. 9(2): e88898.

Jiménez-Aliaga K et al., 2011. Quercetin and rutin exhibit antiamyloidogenic and fibril-disaggregating effects in vitro and potent antioxidant activity in APPswe cells. Life Sci. 89(25-26): 939-45.

Yu ES et al., 2008. Regulatory mechanisms of IL-2 and IFNgamma suppression by quercetin in T helper cells. Biochem Pharmacol. 76(1): 70-8.

Park HJ et al., 2011. Quercetin regulates Th1/Th2 balance in a murine model of asthma. Int Immunopharmacol. 9(3): 261-7.

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