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| VIOLAXANTHIN Basic information |
| Product Name: | VIOLAXANTHIN | | Synonyms: | ZEAXANTHIN DIEPOXIDE;VIOLAXANTHIN;(1R,3S,6S)-6-[18-[(1R,3S,6S)-3-hydroxy-1,5,5-trimethyl-7-oxabicyclo[4.1.0]hept-6-yl]-3,7,12,16-tetramethyl-octadeca-1,3,5,7,9,11,13,15,17-nonaenyl]-1,5,5-trimethyl-7-oxabicyclo[4.1.0]heptan-3-ol;Violoxanthin;(3S,3'S,5R,5'R,6S,6'S,9E)-5,6:5',6'-Bisepoxy-5,5',6,6'-tetrahydro-β,β-carotene-3,3'-diol;5α,6α:5'α,6'α-Bisoxy-5,5',6,6'-tetrahydro-β,β-carotene-3β,3'β-diol;5α,6α:5'α,6'α-Bisoxy-5,5',6,6'-tetrahydro-β,β-carotene-3β,3β'-diol;all-trans-Violaxanthin | | CAS: | 126-29-4 | | MF: | C40H56O4 | | MW: | 600.87 | | EINECS: | | Product Categories: | Carotenoids;Elisa Kit-plant ELISA Kit | | Mol File: | 126-29-4.mol |
| VIOLAXANTHIN Chemical Properties |
| Melting point | 200° | | alpha | 20Cd +35° (c = 0.08 in chloroform) | | Boiling point | 570.8°C (rough estimate) | | density | 0.9826 (rough estimate) | | refractive index | 1.4760 (estimate) | | storage temp. | -70°C | | solubility | Chloroform, Ethyl Acetate | | pka | 14.56±0.70(Predicted) | | form | Orange Brown Soid | | λmax | λ: 438-442 nm Amax | | BRN | 101269 |
| WGK Germany | 3 | | HS Code | 29419090 |
| VIOLAXANTHIN Usage And Synthesis |
| Uses | trans-Violaxanthin, is a Carotenoid dye. It is a natural xanthophyll pigment with an orange color found in a variety of plants including pansies. It is approved to be used as a food additive and food coloring. | | Uses | Violaxanthin has been used as a standard/control in high-pressure liquid chromatography (HPLC) analysis of pigment extracts to confirm the high-level astaxanthin accumulation suspected from the visual phenotype of?Nt-AXT plants. | | General Description | Violaxanthins are natural pigmented constituents or carotenoids present in most fruits and vegetables. | | Biochem/physiol Actions | Violaxanthin is a carotene epoxide that is a precursor to capsanthin. It is one of three xanthophylls involved in the evolution of plastids of green plants (oxygen evolution) and participating in photo-induced interconversions known as the violaxanthin cycle. The cleavage of 9-cis-epoxycarotenoids (violaxanthin) to xanthoxin is the key regulatory step of abscisic acid biosynthesis. | | Purification Methods | Also purify it by column chromatography, and the purity is checked by TLC (see -carotene). It has at 415, 440 and 469nm. [Kuhn & Winterstein Ber 64 326 1931, Karrer et al. max Helv Chim Acta 14 1044 1931, Absolute Config: Bartlett et al. J Chem Soc (C) 2527 1969, Beilstein 19 III/IV 1139.] |
| VIOLAXANTHIN Preparation Products And Raw materials |
| Raw materials | 2,4-Pentadienoic acid, 3-methyl-5-(2,2,6-trimethyl-4-oxo-7-oxabicyclo[4.1.0]hept-1-yl)-, methyl ester, [1S-[1α(2E,4E),6α]]- (9CI)-->1,4-Dioxaspiro[4.5]dec-7-ene-8-methanol, 7,9,9-trimethyl--->ethyl 2,6,6-trimethyl-4-oxocyclohex-2-ene-1-carboxylate-->MESITYL OXIDE |
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