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Quercetin 3-glucoside

analytical standard

Synonym(s):

Quercetin 3-β-D-glucoside, 3,3′,4′,5,7-Pentahydroxyflavone 3-β-glucoside, Isoquercitrin

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About This Item

Empirical Formula (Hill Notation):
C21H20O12
CAS Number:
Molecular Weight:
464.38
Beilstein:
100989
MDL number:
UNSPSC Code:
85151701
PubChem Substance ID:
NACRES:
NA.24

grade

analytical standard

Quality Level

Assay

≥98% (HPLC)

shelf life

limited shelf life, expiry date on the label

technique(s)

HPLC: suitable
gas chromatography (GC): suitable

application(s)

food and beverages

format

neat

storage temp.

2-8°C

SMILES string

OC[C@H]1O[C@@H](OC2=C(Oc3cc(O)cc(O)c3C2=O)c4ccc(O)c(O)c4)[C@H](O)[C@@H](O)[C@@H]1O

InChI

1S/C21H20O12/c22-6-13-15(27)17(29)18(30)21(32-13)33-20-16(28)14-11(26)4-8(23)5-12(14)31-19(20)7-1-2-9(24)10(25)3-7/h1-5,13,15,17-18,21-27,29-30H,6H2/t13-,15-,17+,18-,21+/m1/s1

InChI key

OVSQVDMCBVZWGM-QSOFNFLRSA-N

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General description

Quercetin is a flavonoid that can be consumed in the diet. It has antioxidant, anti-inflammatory, antiproliferative and anticarcinogenic properties. Quercetin 3-glucoside (Q3G) is a glucoside derivative of quercetin.
Quercetin is a flavonoid that can be consumed in the diet. It has antioxidant, anti-inflammatory, antiproliferative and anticarcinogenic properties. Quercetin 3-glucoside (Q3G) is a glucoside derivative of quercetin.

Application

Q3G may be used as standard for calibration during HPLC analysis of diverse grape and wine phenolics using direct injection with UV-Vis photodiode array (DAD) and fluorescence detection.
Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

Packaging

Bottomless glass bottle. Contents are inside inserted fused cone.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3


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HPLC analysis of diverse grape and wine phenolics using direct injection and multidetection by DAD and fluorescence.
Gomez-Alonso, Sergio, Esteban Garcia-Romero, and Isidro Hermosin-Gutierrez.
J. Food Compos. Anal., 20.7, 618-626 (2007)
Aloys L A Sesink et al.
The Journal of nutrition, 133(3), 773-776 (2003-03-04)
Quercetin has antioxidant, anti-inflammatory, antiproliferative and anticarcinogenic properties. In plant foods, quercetin occurs mainly bound to various sugars via a beta-glycosidic link. We hypothesized that lactase phlorizin hydrolase (LPH), an enzyme at the brush border membrane of intestinal cells, is
Zhongxiang Zhao et al.
Journal of natural products, 70(10), 1683-1686 (2007-10-10)
Five new flavan-4-ol glycosides, abacopterins E-I ( 5- 9), and seven known flavonoid glycosides ( 3 and 10- 15) were isolated from the aerial parts of the fern Abacopteris penangiana. Their structures were elucidated on the basis of extensive spectroscopic
Teresa Mencherini et al.
Journal of natural products, 73(2), 247-251 (2010-01-12)
Three new saponins (1-3) and a known saponin, together with four known polyphenolic compounds, have been isolated from the fermented and dried leaves of Fadogia ancylantha (Makoni tea). The structures of compounds 1-3 were established by analysis of their spectroscopic
Mahendra Thapa et al.
Bioorganic & medicinal chemistry letters, 22(1), 353-356 (2011-11-26)
Influenza viruses are important pathogens that cause respiratory infections in humans and animals. In addition to vaccination, antiviral drugs against influenza virus play a significant role in controlling viral infections by reducing disease progression and virus transmission. Plant derived polyphenols

Protocols

HPLC Analysis of Polyphenols in Nero d'Avola Red Wine on Discovery® HS C18 (UV 280 nm)

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