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Documentos Principais

22040

Sigma-Aldrich

β-Carotene

≥97.0% (UV)

Sinônimo(s):

β,β-Carotene, Provitamin A

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About This Item

Fórmula empírica (Notação de Hill):
C40H56
Número CAS:
Peso molecular:
536.87
Beilstein:
1917416
Número CE:
Número MDL:
Código UNSPSC:
12352200
ID de substância PubChem:
NACRES:
SB.54
Preço e disponibilidade não estão disponíveis no momento.

fonte biológica

synthetic

Ensaio

≥97.0% (UV)

Formulário

powder

técnica(s)

HPLC: suitable

Impurezas

≤0.001% heavy metals

perda

≤0.2% loss on drying

cor

red to dark red

pf

176-184 °C (dec.)

solubilidade

chloroform: 10 mg/mL, clear, dark orange-red

Condições de expedição

dry ice

temperatura de armazenamento

2-8°C

cadeia de caracteres SMILES

CC1=C(/C=C/C(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(C)(C)CCC1

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/h11-14,17-22,25-28H,15-16,23-24,29-30H2,1-10H3/b12-11+,19-13+,20-14+,27-25+,28-26+,31-17+,32-18+,33-21+,34-22+

chave InChI

OENHQHLEOONYIE-JLTXGRSLSA-N

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Aplicação

  • β-Carotene has been used as a standard to measure β-carotene levels in plasma samples via HPLC (high performance liquid chromatography).[1]
  • It has been used to study the effects of vitamins on growth of Mycobacteria in radiometric culture.[2]
  • It has been used as a supplement in the growth medium of Drosophila melanogaster to allow intake of vitamin A.[3]

Ações bioquímicas/fisiológicas

The most important of the provitamins A, β-carotene can be classified as an antioxidant due to its inhibition of radical initiated peroxidation in vitro. However, in vivo it appears to act either as an antioxidant or a prooxidant depending on cellular environment. It reduces the incidence of many cancers, but enhances lung cancer incidence in smokers.
The most important of the provitamins A.

Atenção

Purchase minimum quantity required. Discard one month after opening.

Outras notas

As a probe of lipid domains of reconstituted human plasma low-density lipoprotein[4]

Código de classe de armazenamento

11 - Combustible Solids

Classe de risco de água (WGK)

WGK 1

Ponto de fulgor (°F)

217.9 °F - closed cup

Ponto de fulgor (°C)

103.3 °C - closed cup

Equipamento de proteção individual

Eyeshields, Gloves


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G C Chen et al.
Biochemistry, 19(20), 4706-4712 (1980-09-30)
Mixtures of neutral lipids containing cholesteryl esters and beta-carotene were used to reconstitute the lipid core of heptane-extracted low-density lipoproteins (LDL). The resulting preparations of reconstituted LDL, referred to as r-[cholesteryl ester + beta-carotene]LDL, exhibited temperature-dependent circular dichroism (CD) in
Lack of Dietary Polyunsaturated Fatty Acids Causes Synapse Dysfunction in the Drosophila Visual System.
Ziegler AB, et al.
PLoS ONE, 10, e0135353-e0135353 (2015)
Vitamins A & D inhibit the growth of mycobacteria in radiometric culture.
Greenstein RJ, et al.
PLoS ONE, 7, e29631-e29631 (2012)
Kyeongjin Kim et al.
Experimental & molecular medicine, 41(6), 429-439 (2009-03-27)
Small heterodimer partner (SHP) is an atypical member of nuclear receptor superfamily that lacks a DNA-binding domain. In previous study, we showed that SHP, c-jun, p65 of NF-gammaB subunits, and p21WAF1 expression was increased during monocytic differentiaton with the exposure
Antonio Molino et al.
Molecules (Basel, Switzerland), 24(4) (2019-02-24)
Microalgae Dunaliella salina contains useful molecules such as β-carotene and fatty acids (FAs), which are considered high value-added compounds. To extract these molecules, supercritical carbon dioxide was used at different operative conditions. The effects of mechanical pre-treatment (grinding speed at

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