Catalogue number C104063
Chemical nameQuercetin-3-O-glucuronide
CAS Number22688-79-5
SynonymsQuercetin 3-glucuronide; Miquelianin; Querciturone
Molecular WeightC21H18O13
Physical DescriptionPowder
SolventChloroform, Dichloromethane,DMSO
StorageStored at 2-8°C, Protected from air and light, refrigerate or freeze

Antioxidant. Quercetine-3-O-glucuronide were identified as potent stilbene oxidase inhibitors.

Quercetin-3-O-glucuronide significantly reduced the generation of β-amyloid (Aβ) peptides by primary neuron cultures generated from the Tg2576 AD mouse model. quercetin-3-O-glucuronide is also capable of interfering with the initial protein-protein interaction of Aβ(1-40) and Aβ(1-42) that is necessary for the formation of neurotoxic oligomeric Aβ species. Lastly, we found that quercetin-3-O-glucuronide treatment, compared to vehicle-control treatment, significantly improved Alzheimer’s disease (AD)-type deficits in hippocampal formation basal synaptic transmission and long-term potentiation, possibly through mechanisms involving the activation of the c-Jun N-terminal kinases and the mitogen-activated protein kinase signaling pathways. Brain-targeted quercetin-3-O-glucuronide may simultaneously modulate multiple independent AD disease-modifying mechanisms and, as such, may contribute to the benefits of dietary supplementation with red wines as an effective intervention for AD.

Quercetin-3-O-glucuronide is a potential anti-atherogenic metabolite, enhancing the anti-inflammatory properties of M2a macrophages and modulating immune response effects in the presence of pro-inflammatory stimuli.

Quercetin-3-O-glucuronide are equally effective in inhibiting ROS-associated inflammation and ameliorating insulin resistant endothelial dysfunction by beneficial regulation of IRS-1 function.

References1. Phytochemistry, 1999, 52(5), 759-767.
2. FASEB J., 2013, 27(2), 769-781.
3. Food Funct., 2012, 3, 1144-1152.
4. Mol. Nutr. Food Res., 2013, 57(6), 1037-1045.
5. J. Agric. Food Chem., 2004, 52(12), 3679-3687.
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