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Delphinidin

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 Edit this at Wikidata
E number E163b (colours)
KEGG
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 checkY
    Key: FFNDMZIBVDSQFI-UHFFFAOYSA-N checkY
  • 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
  • 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).
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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

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

See also

References

  1. ^ "Delphinidine".
  2. ^ "Delphinidine".
  3. ^ 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.
  4. ^ Ribéreau-Gayon, J.; Ribéreau-Gayon, P. (1958). "The Anthocyans and Leucoanthocyans of Grapes and Wines". American Journal of Enology and Viticulture. 9: 1–9.
  5. ^ 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.
  6. ^ CID 3083066 from PubChem
  7. ^ 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)
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