Myrtillin

Myrtillin
Names

IUPAC name (2''S'',3''R'',4''S'',5''S'',6''R'')-2-[5,7-dihydroxy-2-(3,4,5-trihydroxyphenyl)chromenylium-3-yl]oxy-6-(hydroxymethyl)oxane-3,4,5-triol chloride
Other names Mirtillin Myrtillin chloride Delphinidin 3-glucoside Delphinidol 3-glucoside Delphinidin 3-O-glucoside Delphinidin 3-monoglucoside Delphinidine 3-monoglucoside Delphinidin-3-glucoside chloride Delphinidin 3-O-beta-D-glucoside
Identifiers
CAS Number	6906-38-3^Y 26770-35-4^N
ChEBI	CHEBI:31463^N
ChemSpider	391783^N
Jmol interactive 3D	Image
PubChem	165558
InChI InChI=1S/C21H20O12/c22-6-15-17(28)18(29)19(30)21(33-15)32-14-5-9-10(24)3-8(23)4-13(9)31-20(14)7-1-11(25)16(27)12(26)2-7/h1-5,15,17-19,21-22,28-30H,6H2,(H4-,23,24,25,26,27)/p+1/t15-,17-,18+,19-,21-/m1/s1^N Key: XENHPQQLDPAYIJ-PEVLUNPASA-O^N
SMILES C1=C(C=C(C(=C1O)O)O)C2=C(C=C3C(=CC(=CC3=[O+]2)O)O)OC4C(C(C(C(O4)CO)O)O)O.[Cl-]
Properties
Chemical formula	C₂₁H₂₁ClO₁₂ C₂₁H₂₁O₁₂⁺, Cl⁻
Molar mass	500.83 g/mol (chloride) 465.38 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

Myrtillin is an anthocyanin. It is the 3-glucoside of delphinidin. It can be found in all green plants, most abundantly in blackcurrant, in blueberry or huckleberry leaves and various myrtles, in the roselle plant, in the Centella asiatica plant (Hydrocotyle asiatica)^[1] and in the bilberry leaf.^[2] It is also present in yeast and oatmeal.^[3] The sumac fruits pericarp owes its dark red colour to anthocyanin pigments, of which chrysanthemin, myrtillin and delphinidin have yet been identified.^[4]

The various colors, such as red, mauve, purple, violet and blue in, Hydrangea macrophylla are developed from delphinidin 3-glucoside foming complexes with metal ions called metalloanthocyanins.^[5]

Health effects

Myrtillin tends to stabilize the blood sugar, which otherwise fluctuates widely, and that it spares insulin.^[3]

Metabolism

The enzyme anthocyanin 3-O-glucoside 6''-O-hydroxycinnamoyltransferase produces delphinidin 3-(6-p-coumaroyl)glucoside from delphinidin 3-O-glucoside and p-coumaroyl-CoA in the anthocyanin biosynthesis pathway.^[6]

References

↑ "G-KOLA formulation on". Island.lk. Retrieved 2013-04-09.
↑ Bilberry Leaf on florahealth.com Archived February 5, 2009 at the Wayback Machine
1 2 "Pancreas panacea, Dr. John R. Christopher". Healingtools.tripod.com. 1927-11-05. Retrieved 2013-04-09.
↑ Sumac on spicesworld.net
↑ Yoshida K, Mori M, Kondo T (2009). "Blue flower color development by anthocyanins: from chemical structure to cell physiology". Nat. Prod. Rep. 26 (7): 884–915. doi:10.1039/b800165k. PMID 19554240.
↑ "Delphinidin 3-(6-p-coumaroyl)glucoside synthesis reaction on www.kegg.jp". Kegg.jp. Retrieved 2013-04-09.

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)
Ideain (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)-beta-D-glucosyl)oxybenzoyl)-beta-D-glucoside)

Flavanol-anthocyanin adducts

Malvidin glucoside-ethyl-catechin
Catechin(4α→8)pelargonidin 3-O-β-glucopyranoside
Epicatechin(4α→8)pelargonidin 3-O-β-glucopyranoside
Afzelechin(4α→8)pelargonidin 3-O-β-glucopyranoside
Epiafzelechin(4α→8)pelargonidin 3-O-β-glucopyranoside

Misc.

Metalloanthocyanins (Commelinin
Cyanosalvianin
Protocyanin
Protodelphin)
Pyranoanthocyanins
Copigmentation
Anthocyanone A (degradation product of oenin)
Malvone (oxidation product of malvin)

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