Delphinidin

Delphinidin (also delphinidine) is an anthocyanidin, a primary plant pigment, and also an antioxidant. Delphinidin gives blue hues to flowers in the genera Viola and Delphinium. It also gives the blue-red color of the grape variety Cabernet Sauvignon, and can be found in cranberries and Concord grapes as well as pomegranates, and bilberries.

Delphinidin
Names
IUPAC name
3,3′,4′,5,5′,7-Hexahydroxyflavylium
Systematic IUPAC name
3,5,7-Trihydroxy-2-(3,4,5-trihydroxyphenyl)-1λ4-1-benzopyran-1-ylium
Identifiers
3D model (JSmol)
ChEBI
ChEMBL
ChemSpider
ECHA InfoCard 100.007.671
E number E163b (colours)
KEGG
PubChem CID
UNII
  • InChI=1S/C15H10O7.ClH/c16-7-3-9(17)8-5-12(20)15(22-13(8)4-7)6-1-10(18)14(21)11(19)2-6;/h1-5H,(H5-,16,17,18,19,20,21);1H Y
    Key: FFNDMZIBVDSQFI-UHFFFAOYSA-N Y
  • InChI=1/C15H10O7.ClH/c16-7-3-9(17)8-5-12(20)15(22-13(8)4-7)6-1-10(18)14(21)11(19)2-6;/h1-5H,(H5-,16,17,18,19,20,21);1H
    Key: FFNDMZIBVDSQFI-UHFFFAOYAW
SMILES
  • C1=C(C=C(C(=C1O)O)O)C2=C(C=C3C(=CC(=CC3=[O+]2)O)O)O.[Cl-]
Properties
C15H11O7+
Molar mass 303.24 g/mol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
N verify (what is YN ?)
Infobox references

Delphinidin, like nearly all other anthocyanidins, is pH-sensitive, i.e. a natural pH indicator, and changes from blue in basic solution to red in acidic solution.

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