Violaxanthin

Chembox new
Reference="Merck Index", 11th Edition, 9902.]
ImageFile=violaxanthin.svg
ImageSize=375px
IUPACName=(1S,4S,6R)-1- [(1E,3E,5E,7E,9E,11E,13E,15E,17E)-18- [(1S,4S,6R)-4-Hydroxy-2,2,6-trimethyl-7-oxabicyclo [4.1.0] heptan-1-yl] -3,7,12,16-tetramethyloctadeca-1,3,5,7,9,11,13,15,17-nonaenyl] -2,2,6-trimethyl-7-oxabicyclo [4.1.0] heptan-4-ol
OtherNames=5,6:5',6'-Diepoxy-5,5',6,6'-tetrahydro-β-carotene-3,3'-diol
Zeaxanthin diepoxide
"all"-"trans"-Violaxanthin
E161e
Section1= Chembox Identifiers
CASNo=126-29-4
PubChem=448438
SMILES=CC(=C/C=C/C=C(C)/C=C/C=C(C)/C=C/ [C@] 12C(C [C@@H] (C [C@] 1(O2)C)O)(C)C)C=CC=C(/C)C=C [C@] 34C(C [C@@H] (C [C@] 3(O4)C)O)(C)C
Section2= Chembox Properties
Formula=C₄₀H₅₆O₄
MolarMass=600.85 g/mol
Appearance=Orange crystals
Density=
MeltingPt=200 °C
BoilingPt=
Solubility=
Section3= Chembox Hazards
MainHazards=
FlashPt=
Autoignition=

Violaxanthin is a natural xanthophyll pigment with an orange color found in a variety of plants including pansies. It is biosynthesized from zeaxanthin by epoxidation. As a food additive it used under the E number E161e as a food coloring.

References