Antioxidant flavonoid
Antioxidant flavonoid. Inhibitor of mitochondrial ATPase, cAMP- and cGMP-phosphodiesterases. Inhibitor of protein tyrosine kinases and protein kinase C (PKC). Induces apoptosis. Blocks cells at the G0/G1 interface. Activator of human deacetylase SIRT1. Reversible inhibitor of fatty acid synthase (FAS). Inhibits the production of the inflammatory mediators nitric oxide (NO), TNF-α and IL-12 in activated macrophages.Induces gastric relaxation in mouse stomach, mainly by suppressing Ca2+ influx through voltage-dependent calcium channels.
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Product Details
Alternative Name |
3,3′,4′,5,7-Pentahydroxyflavone . 2H2O |
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Appearance |
Yellow powder with a green or brown cast. |
CAS |
6151-25-3 |
Couple Target |
ATPase, Fatty acid synthase, PDE, PKC, SIRT, SIRT1 |
Couple Type |
Activator, Inhibitor |
Formula |
C15H10O7 . 2H2O |
MI |
14: 8034 |
MW |
302.2 . 36.0 |
Purity |
≥95% (HPLC) |
RTECS |
LK8950000 |
Solubility |
Soluble in 100% ethanol or 1M sodium hydroxide; almost insoluble in water. |
Source |
Isolated from Sophora japonica L. |
Handling & Storage
Use/Stability |
As indicated on product label or CoA when stored as recommended. |
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Long Term Storage |
Ambient |
Shipping |
Ambient Temperature |
Regulatory Status |
RUO – Research Use Only |
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- Dietary Quercetin Attenuates Adipose Tissue Expansion and Inflammation and Alters Adipocyte Morphology in a Tissue-Specific Manner: Forney, L. A., Lenard, N. R., et al.; Int. J. Mol. Sci. 19, (2018), Abstract
- Quercetin and Quercetin-Rich Red Onion Extract Alter Pgc-1α Promoter Methylation and Splice Variant Expression: P.P. Devarshi, et al.; PPAR Res. 2017, 3235693 (2017), Abstract — Full Text
- In vivo effects of dietary quercetin and quercetin-rich red onion extract on skeletal muscle mitochondria, metabolism, and insulin sensitivity: Henagan, T. M., Cefalu, W. T., et al.; Genes Nutr. 10, 451 (2015), Abstract
- Quercetin Inhibits Pacemaker Potentials via Nitric Oxide/cGMP-Dependent Activation and TRPM7/ANO1 Channels in Cultured Interstitial Cells of Cajal from Mouse Small Intestine: H. Gim, et al.; Cell. Physiol. Biochem. 35, 2422 (2015), Application(s): Cell Culture, Abstract — Full Text
- A fluorescence-based thermal shift assay identifies inhibitors of mitogen activated protein kinase kinase 4: Krishna, S. N., Luan, C. H., et al.; PLoS One 8, e81504 (2013), Abstract
- Ethanolic extract of Brazilian green propolis sensitizes prostate cancer cells to TRAIL-induced apoptosis: Szliszka, E., Zydowicz, G., et al.; Int. J. Oncol. 38, 941 (2011), Abstract
- Gastric relaxation induced by apigenin and quercetin: Analysis of the mechanism of action: A. Rotondo, et al.; Life Sciences 85, 85 (2009), Abstract
- Onions: a source of unique dietary flavonoids: R. Slimestad, et al.; J. Agric. Food Chem. 55, 10067 (2007), Abstract
- Pharmacological inhibitors of Fatty Acid Synthase (FASN)–catalyzed endogenous fatty acid biogenesis: a new family of anti-cancer agents?: R. Lupu & J. A. Menendez; Curr. Pharm. Biotechnol. 7, 483 (2006), (Review), Abstract
- Inhibitory effects of the flavonoids isolated from Waltheria indica on the production of NO, TNF-alpha and IL-12 in activated macrophages: Y.K. Rao, et al.; Biol. Pharm. Bull. 28, 912 (2005), Abstract
- Small molecule activators of sirtuins extend Saccharomyces cerevisiae lifespan: K.T. Howitz, et al.; Nature 425, 191 (2003), Abstract
- Presence of fatty acid synthase inhibitors in the rhizome of Alpinia officinarum hance: B.H. Li and W.X. Tian; J. Enzyme Inhib. Med. Chem. 18, 349 (2003), Abstract
- Quercetin, coenzyme Q10, and L-canavanine as protective agents against lipid peroxidation and nitric oxide generation in endotoxin-induced shock in rat brain: H.M. Abd El-Gawad & A.E. Khalifa; Pharmacol. Res. 43, 257 (2001), Abstract
- Quercetin-induced apoptosis in colorectal tumor cells: possible role of EGF receptor signaling: M. Richter, et al.; Nutr. Cancer 34, 88 (1999), Abstract
- Quercetin and anti-CD95(Fas/Apo1) enhance apoptosis in HPB-ALL cell line: M. Russo, et al.; FEBS Lett. 462, 322 (1999), Abstract
- The effect of quercetin on induction of apoptosis: J. Rzymowska, et al.; Folia Histochem. Cytobiol. 37, 125 (1999), Abstract
- Modulation of the heat-induced activation of mitogen-activated protein (MAP) kinase by quercetin: Y. Nagasaka & K. Nakamura; Biochem. Pharmacol. 56, 1151 (1998), Abstract
- Molecular mechanisms in the antiproliferative action of quercetin: B. Csokay, et al.; Life Sci. 60, 2157 (1997), Abstract
- Structure-antioxidant activity relationships of flavonoids and phenolic acids: C.A. Rice-Evans, et al.; Free Radic. Biol. Med. 20, 933 (1996), (Review), Abstract
- Multiple effects of tyrosine kinase inhibitors on vascular smooth muscle contraction: C.M. Filipeanu, et al.; Eur. J. Pharmacol. 281, 29 (1995), Abstract
- Induction of apoptosis by quercetin: involvement of heat shock protein: Y.Q. Wei, et al.; Cancer Res. 54, 4952 (1994), Abstract
- The phospholipid- and calcium-dependent protein kinase as a target in tumor chemotherapy: H. Grunicke, et al.; Adv. Enzyme Regul. 28, 201 (1989), Abstract
- Tyrosine protein kinase activity in the DMBA-induced rat mammary tumor: inhibition by quercetin: J. Levy, et al.; BBRC 123, 1227 (1984), Abstract
- Inhibition of the calcium- and phospholipid-dependent protein kinase activity from mouse brain cytosol by quercetin: M. Gschwendt, et al.; BBRC 117, 444 (1983), Abstract
- The effect of quercetin on the phosphorylation activity of the Rous sarcoma virus transforming gene product in vitro and in vivo: Y. Graziani, et al.; Eur. J. Biochem. 135, 583 (1983), Abstract
- Flavonoids are selective cyclic GMP phosphodiesterase inhibitors: M. Ruckstuhl, et al.; Biochem. Pharmacol. 28, 535 (1979), Abstract
- Flavonoid compounds are potent inhibitors of cyclic AMP phosphodiesterase: A. Beretz, et al.; Experientia 34, 1054 (1978), Abstract
- Effects of quercetin and F1 inhibitor on mitochondrial ATPase and energy-linked reactions in submitochondrial particles: D.R. Lang & E. Racker; Biochim. Biophys. Acta 333, 180 (1974), Abstract
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