Quercetin 3,4'-diglucoside

Quercetin 3,4'-diglucoside is a flavonol glycoside found in onions (Allium cepa)[1][2] and in horse chestnut seeds (Aesculus hippocastanum).[3]

Quercetin 3,4'-diglucoside

Names
IUPAC name 5,7-dihydroxy-2-[3-hydroxy-4-[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyphenyl]-3-[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxychromen-4-one
Other names Quercetin 3,4’-di-O-β-glucopyranoside Quercetin-3,4'-O-di-beta-glucopyranoside
Identifiers
CAS Number	29125-80-2
3D model (JSmol)	Interactive image
ChEBI	CHEBI:131498
ChemSpider	4478806
PubChem CID	5320835
InChI InChI=1S/C27H30O17/c28-6-14-17(33)20(36)22(38)26(42-14)41-12-2-1-8(3-10(12)31)24-25(19(35)16-11(32)4-9(30)5-13(16)40-24)44-27-23(39)21(37)18(34)15(7-29)43-27/h1-5,14-15,17-18,20-23,26-34,36-39H,6-7H2/t14-,15-,17-,18-,20+,21+,22-,23-,26-,27+/m1/s1 Key: RPVIQWDFJPYNJM-DEFKTLOSSA-N
SMILES C1=CC(=C(C=C1C2=C(C(=O)C3=C(C=C(C=C3O2)O)O)OC4C(C(C(C(O4)CO)O)O)O)O)OC5C(C(C(C(O5)CO)O)O)O
Properties
Chemical formula	C27H30O17
Molar mass	626.4 g/mol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

References

1. Williamson, Gary; Plumb, Geoff W.; Uda, Yasushi; Price, Keith R.; Rhodes, Michael J.C. (1996). "Dietary quercetin glycosides: Antioxidant activity and induction of the anticarcinogenic phase II marker enzyme quinone reductase in Hepalclc7 cells". Carcinogenesis. 17 (11): 2385–7. doi:10.1093/carcin/17.11.2385. PMID 8968052.
2. Olsson, Marie E.; Gustavsson, Karl-Erik; Vågen, Ingunn M. (2010). "Quercetin and Isorhamnetin in Sweet and Red Cultivars of Onion (Allium cepaL.) at Harvest, after Field Curing, Heat Treatment, and Storage". Journal of Agricultural and Food Chemistry. 58 (4): 2323–30. doi:10.1021/jf9027014. PMID 20099844.
3. Wagner, J. (1961). "Quercetin-3,4′-diglukosid, ein Flavonolglykosid des Roßkastaniensamens". Die Naturwissenschaften. 48 (2): 54. Bibcode:1961NW.....48Q..54W. doi:10.1007/BF00603428. S2CID 29060667.