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75759

Sigma-Aldrich

Quercetin 3-O-α-L-arabinopyranoside

≥95% (HPLC)

Synonyme(s) :

3′,4′,5,7-Tetrahydroxyflavone 3-O-α-L-arabinoside, 3-(α-L-Arabinopyranosyloxy)-2-(3,4-dihydroxyphenyl)-5,7-dihydroxy-4H-1-benzopyran-4-one, Feniculin, Foeniculin, Guaijaverin, Quercetin 3-O-α-L-arabinoside

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About This Item

Formule empirique (notation de Hill):
C20H18O11
Numéro CAS:
Poids moléculaire :
434.35
Numéro MDL:
Code UNSPSC :
12352201
ID de substance PubChem :
Nomenclature NACRES :
NA.25

Niveau de qualité

Essai

≥95% (HPLC)

Forme

powder

Température de stockage

room temp

Chaîne SMILES 

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

InChI

1S/C20H18O11/c21-8-4-11(24)14-13(5-8)30-18(7-1-2-9(22)10(23)3-7)19(16(14)27)31-20-17(28)15(26)12(25)6-29-20/h1-5,12,15,17,20-26,28H,6H2/t12-,15-,17+,20-/m0/s1

Clé InChI

PZZRDJXEMZMZFD-IEGSVRCHSA-N

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Description générale

Quercetin 3-O-α-L-arabinopyranoside was isolated from the leaves of the Ruprechtia polystachya tree.

Actions biochimiques/physiologiques

Plant flavonoid which exhibits antibacterial and antioxidant activities. It shows significantly strong ABTS radical scavenging activity, inhibitory activity against urease of quercetin glycosides isolated from Allium cepa and Psidium guajava. It is a potential antiplaque agent against Streptococcus mutans.
quercetin 3-O-α-L-arabinopyranoside was shown to inhibit the activity of glucose-6-phosphatase.

Conditionnement

Bottomless glass bottle. Contents are inside inserted fused cone.

Code de la classe de stockage

11 - Combustible Solids

Classe de danger pour l'eau (WGK)

WGK 3

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable


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Les clients ont également consulté

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1 of 4

Maryan Bruzual De Abreu et al.
Chemistry & biodiversity, 8(11), 2126-2134 (2011-11-16)
Two new compounds, 5-methyl-2-(2-methylbutanoyl)phloroglucinol 1-O-(6-O-β-D-apiofuranosyl)-β-D-glucopyranoside (1) and trans-2,3-dihydrokaempferol 3-O-(4-O-sulfo)-α-L-arabinopyranoside (2), together with 14 known flavonoids, trans-dihydrokaempferol 3-O-α-L-arabinopyranoside (3), trans-taxifolin 3-O-α-L-arabinofuranoside (4), quercetin 3-O-α-L-rhamnopyranoside (5), quercetin 3'-O-α-L-arabinofuranoside (6), catechin 3-O-α-L-rhamnopyranoside (7), trans-taxifolin 3-O-α-L-arabinopyranoside (8), cis-dihydrokaempferol 3-O-α-L-arabinopyranoside (9), catechin (10), myricetin 3-O-α-L-rhamnopyranoside
G R Prabu et al.
Journal of applied microbiology, 101(2), 487-495 (2006-08-03)
The aim of the present study was to investigate the anti-Streptococcus mutans activity and the in vitro effects of subminimal inhibitory concentrations of guaijaverin isolated from Psidium guajava Linn. on cariogenic properties of Strep. mutans. Bioautography-directed chromatographic fractionation, yield biologically
Huaguo Chen et al.
Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica, 35(10), 1284-1286 (2010-08-17)
The aim of the paper was to develop a HPLC method for the quality control of Periploca forrestii Schltr. The 18 samples were analyzed on a Hypersil C18 column. The mobile phase was methanol-water (33:67) and the flow rate was
X Lozoya et al.
Archives of medical research, 25(1), 11-15 (1994-01-01)
The traditional herbal remedy from Psidium guajava leaves has been medically proposed in Mexico as effective treatment of acute diarrhea. A methanolic leaf extract was subjected to a bioassay-guided isolation of spasmolytic constituents. Six fractions were separated on a polyvinylpolypyrrolidine
Dimitrina Zheleva-Dimitrova et al.
Natural product research, 26(17), 1576-1583 (2011-11-15)
The occurrence of three known benzophenones, namely annulatophenonoside, acetylannulatophenonoside and annulatophenone as well as a flavonol O-glycoside guajaverin in the aerial parts of Hypericum maculatum Crantz was established. In addition, hyperoside, isoquercitrin and miquelianin were isolated from this plant, as

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