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Merck

75759

Sigma-Aldrich

Quercetin 3-O-α-L-arabinopyranoside

≥95% (HPLC)

Sinónimos:

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

Fórmula empírica (notación de Hill):
C20H18O11
Número de CAS:
Peso molecular:
434.35
UNSPSC Code:
12352201
PubChem Substance ID:
NACRES:
NA.25

assay

≥95% (HPLC)

form

powder

storage temp.

room temp

SMILES string

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

InChI key

PZZRDJXEMZMZFD-IEGSVRCHSA-N

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General description

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

Biochem/physiol Actions

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.

Packaging

Bottomless glass bottle. Contents are inside inserted fused cone.

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable


Certificados de análisis (COA)

Busque Certificados de análisis (COA) introduciendo el número de lote del producto. Los números de lote se encuentran en la etiqueta del producto después de las palabras «Lot» o «Batch»

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Slide 1 of 4

1 of 4

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
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
Cássia Regina Primila Cardoso et al.
Toxicology, 225(1), 55-63 (2006-06-20)
Byrsonima crassa is a plant pertaining to the Brazilian central savannah-like belt of vegetation and popularly used for the treatment of gastric dysfunctions and diarrhoea. The methanol extract contains catechin, tannins, terpenes and flavonoids; both mutagenic potential and antioxidant properties
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

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