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74283

Sigma-Aldrich

(±)-α-Carotene

≥95.0% (HPLC)

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About This Item

Formula empirica (notazione di Hill):
C40H56
Numero CAS:
Peso molecolare:
536.87
Numero MDL:
Codice UNSPSC:
12352202
ID PubChem:
NACRES:
NA.32

715,00 €


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Saggio

≥95.0% (HPLC)

Stato

powder

λ

2 % in methylene chloride (in hexane)

Assorbanza UV

λ: 445-449 nm Amax

Temperatura di conservazione

−20°C

Stringa SMILE

CC(/C=C/C1C(C)=CCCC1(C)C)=C\C=C\C(C)=C\C=C\C=C(C)\C=C\C=C(\C=C\C2=C(C)CCCC2(C)C)C

InChI

1S/C40H56/c1-31(19-13-21-33(3)25-27-37-35(5)23-15-29-39(37,7)8)17-11-12-18-32(2)20-14-22-34(4)26-28-38-36(6)24-16-30-40(38,9)10/h11-14,17-23,25-28,37H,15-16,24,29-30H2,1-10H3/b12-11+,19-13+,20-14+,27-25+,28-26+,31-17+,32-18+,33-21+,34-22+
ANVAOWXLWRTKGA-JLTXGRSLSA-N

Descrizione generale

α-Carotene is usually associated with β-carotene in many fruits and vegetables and belongs to the carotenoid family. It is found in higher concentrations of orange carrots, pumpkins, sweet potatoes, and apricots.

Azioni biochim/fisiol

α-Carotene exhibits provitamin A (retinal/retinol/retinoic acid) activity that is necessary for enhancing ocular health. It also shows anti-oxidant, and anti-cancer activities and promotes the function of the immune system. α-Carotene has been studied as an important factor in reducing the risk of cardiovascular diseases.

Codice della classe di stoccaggio

11 - Combustible Solids

Classe di pericolosità dell'acqua (WGK)

WGK 3

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable


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Sigma-Aldrich

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Sigma-Aldrich

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Luteina analytical standard

Supelco

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P Rinaldi et al.
Neurobiology of aging, 24(7), 915-919 (2003-08-21)
In order to assess peripheral levels and activities of a broad spectrum of non-enzymatic and enzymatic antioxidants in elderly subjects with mild cognitive impairment (MCI) and Alzheimer's disease (AD), plasma levels of water-soluble (Vitamin C and uric acid) and of
N J Miller et al.
FEBS letters, 384(3), 240-242 (1996-04-22)
The purpose of this study was to assess the relative antioxidant activities of a range of carotenes and xanthophylls through the extent of their abilities to scavenge the ABTS(.+) radical cation. The results show that the relative abilities of the
Michael Englert et al.
Journal of chromatography. A, 1388, 119-125 (2015-03-03)
A carotenoid purification method with dual-mode countercurrent chromatography (CCC) for β-carotene, α-carotene and lutein from a fresh carrot extract was developed. The fluorinated liquid benzotrifluoride (IUPAC name: (trifluoromethyl)benzene) was used as a novel modifier in the non-aqueous ternary solvent system
Carlos E Harjes et al.
Science (New York, N.Y.), 319(5861), 330-333 (2008-01-19)
Dietary vitamin A deficiency causes eye disease in 40 million children each year and places 140 to 250 million at risk for health disorders. Many children in sub-Saharan Africa subsist on maize-based diets. Maize displays considerable natural variation for carotenoid
Metabolism of alpha-carotene.
J S McAnally et al.
Nature, 210(5043), 1366-1366 (1966-06-25)

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