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Delphinidin
Names
👁 Image
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
CAS Number	13270-61-6^{👁 check Y} 528-53-0 (chloride)^{👁 check Y}
3D model (JSmol)	Interactive image
ChEBI	CHEBI:28436^{👁 ☒ N}
ChEMBL	ChEMBL590878^{👁 check Y} ChEMBL276780^{👁 ☒ N}
ChemSpider	114185^{👁 ☒ N}
ECHA InfoCard	100.007.671 👁 Edit this at Wikidata
E number	E163b (colours)
KEGG	C05908^{👁 check Y}
PubChem CID	68245
UNII	031A4BN94T^{👁 check Y} EM6MD4AEHE (chloride)^{👁 check Y}
CompTox Dashboard (EPA)	DTXSID701019982 👁 Edit this at Wikidata
InChI 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^{👁 check Y} Key: FFNDMZIBVDSQFI-UHFFFAOYSA-N^{👁 check 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
Chemical formula	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 ^{👁 check Y👁 ☒ N} ?) Infobox references

Delphinidin (also delphinidine^[1]^[2]) is an anthocyanidin, a primary plant pigment, and also an antioxidant.^[3] 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,^[4] and bilberries.^[5]

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.

Glycosides

[edit]

Several glycosides derived from delphinidin are known:

Myrtillin (delphinidin-3-O-glucoside) and tulipanin (delphinidin-3-O-rutinoside) can be found in blackcurrant pomace.
Violdelphin (delphinidin 3-rutinoside-7-O-(6-O-(4-(6-O-(4-hydroxybenzoyl)-β-D-glucosyl)oxybenzoyl)-β-D-glucoside) is responsible for the purplish-blue flower color of Aconitum chinense.^[6]
Nasunin (delphinidin-3-(p-coumaroylrutinoside)-5-glucoside) is responsible for the colour of the eggplant fruit's purple skin.^[7]
Delphinidin ternatins including Clitoria ternatea ternatins

References

[edit]

^ "Delphinidine".
^ "Delphinidine".
^ Afaq, F.; Syed, D. N.; Malik, A.; Hadi, N.; Sarfaraz, S.; Kweon, M.-H.; Khan, N.; Zaid, M. A.; Mukhtar, H. (2007). "Delphinidin, an Anthocyanidin in Pigmented Fruits and Vegetables, Protects Human HaCaT Keratinocytes and Mouse Skin Against UVB-Mediated Oxidative Stress and Apoptosis". Journal of Investigative Dermatology. 127 (1): 222–232. doi:10.1038/sj.jid.5700510. PMID 16902416.
^ Ribéreau-Gayon, J.; Ribéreau-Gayon, P. (1958). "The Anthocyans and Leucoanthocyans of Grapes and Wines". American Journal of Enology and Viticulture. 9: 1–9.
^ Lätti AK, Riihinen KR, Kainulainen PS (2008). "Analysis of anthocyanin variation in wild populations of bilberry (Vaccinium myrtillus L.) in Finland". J Agric Food Chem. 56 (1): 190–6. doi:10.1021/jf072857m. PMID 18072741.
^ CID 3083066 from PubChem
^ Noda Y, Kneyuki T, Igarashi K, Mori A, Packer L (2000). "Antioxidant activity of nasunin, an anthocyanin in eggplant peels". Toxicology. 148 (2–3): 119–23. doi:10.1016/s0300-483x(00)00202-x. PMID 10962130.{{cite journal}}: CS1 maint: multiple names: authors list (link)

Anthocyanidins and their anthocyanin glucosides

3-Hydroxyanthocyanidins

3-Deoxyanthocyanidins

O-Methylated anthocyanidins

Anthocyanins
(anthocyaninidin glycosides)

Glucosides:

Callistephin (Pelargonidin 3-O-glucoside)
Chrysanthemin (Cyanidin 3-O-glucoside)
Myrtillin (Delphinidin 3-O-glucoside)
Oenin (Malvidin 3-O-glucoside)
Peonidin 3-O-glucoside
Petunidin 3-O-glucoside
Pulchellidin 3-glucoside

Diglucosides:

Cyanin (Cyanidin 3,5-O-diglucoside)
Delphin (Delphinidin 3,5-O-diglucoside)
Malvin (Malvidin 3,5-diglucoside)
Pelargonin (Pelargonidin 3,5-O-diglucoside)
Peonin (Peonidin 3,5-O-diglucoside)
Petunin (Petunidin 3,5-O-diglucoside)

Others glycosides:

Antirrhinin (Cyanidin 3-O-rutinoside)
Idaein (Cyanidin 3-O-galactoside)
Delphinidin 3-O-rhamnoside
Petunidin 3-O-arabinoside
Petunidin 3-O-galactoside
Petunidin 3-O-rhamnoside
Petunidin 3-O-rutinoside
Primulin (Malvidin 3-O-galactoside)
Pulchellidin 3-rhamnoside
Tulipanin (Delphinidin 3-O-rutinoside)

Acylated anthocyanins

Acetylated anthocyanins	Cyanidin 3-O-(6-acetyl)glucoside Delphinidin 3-O-(6-acetyl)glucoside Malvidin 3-O-(6-acetyl)glucoside Petunidin 3-O-(6-acetyl)galactoside Petunidin 3-O-(6-acetyl)glucoside Peonidin 3-O-(6-acetyl)glucoside
Coumaroylated anthocyanins (cis- and trans-)	Cyanidin 3-O-(6-p-coumaroyl)glucoside Delphinidin 3-O-(6-p-coumaroyl)glucoside Malvidin 3-O-(6-p-coumaroyl)glucoside Petunidin 3-O-(6-p-coumaroyl)glucoside Peonidin 3-O-(6-p-coumaroyl)glucoside
Caffeoylated anthocyanins	Malvidin 3-O-(6-p-caffeoyl)glucoside Peonidin 3-O-(6-p-caffeoyl)glucoside
Malonylated anthocyanins	Malonylmalvin (malvidin 3-(6″-malonylglucoside)-5-glucoside)
Acylated anthocyanin diglycosides	Cyanidin 3-O-(di-p-coumarylglucoside)-5-glucoside Gentiodelphin (delphinidin 3-''O''-glucosyl-5-''O''-(6-''O''-caffeoyl-glucosyl)-3′-''O''-(6-''O''-caffeoyl-glucoside)) Nasunin (Delphinidin 3-(p-coumaroylrutinoside)-5-glucoside) Petanin (petunidin 3-[6-O-(4-O-(E)-p-coumaroyl-O-α-l-rhamnopyranosyl)-β-D-glucopyranoside]-5-O-β-D-glucopyranoside) Violdelphin (Delphinidin 3-rutinoside-7-O-(6-O-(4-(6-O-(4-hydroxybenzoyl)-β-D-glucosyl)oxybenzoyl)-β-D-glucoside)