Saponarin

Saponarin
Names

IUPAC name 5-Hydroxy-6-(β-D-glucopyranosyl)-7-(β-D-glucopyranosyloxy)flavone
Systematic IUPAC name 5-Hydroxy-2-(4-hydroxyphenyl)-6-[(2S,3R,4R,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]-7-{[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}-4H-1-benzopyran-4-one
Other names Isovitexin-7-O-glucoside Saponaretin-7-O-glucoside
Identifiers
CAS Number	20310-89-8^Y
3D model (JSmol)	Interactive image
ChemSpider	390121
PubChem CID	441381
UNII	3081Z76OX9^Y
CompTox Dashboard (EPA)	DTXSID10174201
InChI InChI=1S/C27H30O15/c28-7-15-19(32)22(35)24(37)26(40-15)18-14(41-27-25(38)23(36)20(33)16(8-29)42-27)6-13-17(21(18)34)11(31)5-12(39-13)9-1-3-10(30)4-2-9/h1-6,15-16,19-20,22-30,32-38H,7-8H2/t15-,16-,19-,20-,22+,23+,24-,25-,26+,27-/m1/s1 Key: HGUVPEBGCAVWID-KETMJRJWSA-N InChI=1/C27H30O15/c28-7-15-19(32)22(35)24(37)26(40-15)18-14(41-27-25(38)23(36)20(33)16(8-29)42-27)6-13-17(21(18)34)11(31)5-12(39-13)9-1-3-10(30)4-2-9/h1-6,15-16,19-20,22-30,32-38H,7-8H2/t15-,16-,19-,20-,22+,23+,24-,25-,26+,27-/m1/s1 Key: HGUVPEBGCAVWID-KETMJRJWBK
SMILES c1cc(ccc1c2cc(=O)c3c(o2)cc(c(c3O)[C@H]4[C@@H]([C@H]([C@@H]([C@H](O4)CO)O)O)O)O[C@H]5[C@@H]([C@H]([C@@H]([C@H](O5)CO)O)O)O)O
Properties
Chemical formula	C₂₇H₃₀O₁₅
Molar mass	594.52 g/mol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Chemical compound

Saponarin is a flavone glucoside. It is found in Saponaria officinalis and in Strongylodon macrobotrys where it imparts the characteristic jade color to the flower. This coloration has been shown to be an example of copigmentation, a result of the presence of malvin (an anthocyanin) and saponarin in the ratio 1:9. Under the alkaline conditions (pH 7.9) found in the sap of the epidermal cells, this combination produced a blue-green pigmentation; the pH of the colorless inner floral tissue was found to be lower, at pH 5.6. Experiments showed that saponarin produced a strong yellow colouring in slightly alkaline conditions, resulting in the greenish tone of the flower.^[1] It is also found in passion flowers (Passiflora sp.).

References

^ Greenish blue flower colour of Strongylodon macrobotrys. Kosaku Takeda, Aki Fujii, Yohko Senda and Tsukasa Iwashina, Biochemical Systematics and Ecology, Volume 38, Issue 4, August 2010, Pages 630–633, doi:10.1016/j.bse.2010.07.014

Flavones and their conjugates

Aglycones

Monohydroxyflavone	3-Hydroxyflavone 6-Hydroxyflavone
Dihydroxyflavones	Chrysin 4',7-Dihydroxyflavone 7,8-Dihydroxyflavone
Trihydroxyflavones	Apigenin Baicalein Galangin Norwogonin 7,8,3'-Trihydroxyflavone 6,7,4'-Trihydroxyflavone
Tetrahydroxyflavones	Fisetin Kaempferol Isoscutellarein Luteolin Norartocarpetin Scutellarein
Pentahydroxyflavones	Herbacetin Morin Quercetin Nortangeretin 6-Hydroxyluteolin Norwightin Hypolaetin Tricetin
O-methylated flavones	4',7-Dihydroxy-6-methoxyflavone Acacetin Alnetin Artocarpetin Chrysoeriol Cirsilineol Cirsiliol Cirsimaritin Diosmetin Eupatilin Genkwanin Hispidulin Nepetin Nobiletin Oroxylin A Pratol Salvigenin Sinensetin Tangeretin Techtochrysin Tricin Wogonin Zapotin

Glycosides

of apigenin	Apiin Apigetrin Isovitexin Rhoifolin Saponarin Schaftoside Vicenin-2 Vitexin
of baicalein	Baicalin Tetuin
of hypolaetin	Hypolaetin 8-glucoside Hypolaetin 8-glucuronide
of luteolin	Cynaroside Isoorientin Orientin Veronicastroside Luteolin-7-O-glucuronide