β-Carotene
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β-Carotene
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CAS No:
7235-40-7
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Formula:
C40H56
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Chemical Name:
β-Carotene
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Synonyms:
SOLATENE;PROVITAMIN A1;PROVITAMIN A;TRANS-B-CAROTENE;(all-E)-1,1'-(3,7,12,16-Tetramethyl-1,3,5,7,9,11,13,15,17-octadecanonaene-1,18-diyl)bis(2,6,6-trimethylcyclohexene);1,1’-(3,7,12,16-tetramethyl-1,3,5,7,9,11,13,15,17-octadecanonaene-cyclohexen;1,3,5,7,9,11,13,15,17-Octadecanonene,3,7,12,16-tetramethyl-1,18-cyclohex-1-ene,2,6,6-trimethyl-;6-trimethyl-18-diyl)bis((all-e)-6
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CAS No:
Description
beta-Carotene is widely distributed in both plant and animal kingdoms and is the most important pro-vitamin A. In plants, it is almost always found with chlorophyll.
Yellow to orange solid.beta-Carotene is insoluble in water, but is available in water-dispersible, oil-dispersible and oil-soluble forms. It has the activity of vitamin A.
ChEBI: A cyclic carotene obtained by dimerisation of all-trans-retinol. A strongly-coloured red-orange pigment abundant in plants and fruit and the most active and important provitamin A carotenoid.
beta-Carotene is an antioxidant and is one of the most important carotenoids and a source of vitamin A. It is abundantly present in fruits and vegetables which is also used as a food supplement and a colorant.
When heated to decomposition it emits acrid smoke and irritating fumes.
Characteristics
β-Carotene is a tetraterpene with 11 conjugated double bonds that give the molecule an orange color. It is a carotenoid compound that is present in large quantities in the human diet and subsequently is found in all human tissues, including blood. High temperature encourages the isomerization of the double bonds, which lightens the color. Absorption (blue) and fluorescence emission (red) spectra at four excitation wavelengths from β-carotene in hexane solvent at 23 °C are shown below.
1.000
178-179 °C
644.94°C (rough estimate)
1.5630 (estimate)
Soluble in hexane, dimethyl sulfoxide, benzene, chloroform, cyclohexane. Insoluble in water.
0.004Pa at 25℃
-20°C
β-Carotene Use and Manufacturing
Beta-carotene is a known antioxidant, and antioxidants are substances that may protect your cells from free radicals, which may play a role in heart disease, cancer and other diseases. beta-carotene is a coloring agent used in margarine, cheese and pudding to produce the desired color, and is also used as an additive to yellow-orange color. beta-carotene is also a precursor to carotenoids and vitamin A It is beneficial in protecting the skin from dryness and peeling. It also slows cognitive decline and is beneficial to human health.
Drug Function and Efficacy
Beta-carotene is a provitamin A and antioxidant that can be converted into vitamin A in the body. It supports vision, immune function, and cognitive health, and may help prevent chronic diseases such as cancer and coronary heart disease.
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