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Alpha carotene is a carotenoid, a fat-soluble pigment found in fruit, vegetables and to which it gives yellow, green colors.

It has antioxidant properties.

In this study on carotenoids, a list of fruits and vegetables and the percentages contained (1).

Alfa Carotene studies

Molecular Formula: C₄₀H₅₆

Molecular Weight: 536.888 g/mol

UNII: 45XWE1Z69V

CAS: 7488-99-5  24319-81-1

PubChem Substance ID 329755985

MDL number MFCD00136012

Beilstein Registry Number 3227603

Synonyms:

• Carotene
• (6'R)-beta,epsilon-Carotene
• 9-cis-alpha-Carotene
• 13-cis-alpha-Carotene
• (15Z)-alpha-Carotene
• (6\'R)-,-carotene
• 13'-cis-alpha-Carotene
• (9'Z)-beta,epsilon-Carotene
• CHEBI:35147
• beta,epsilon-Carotene, (6'R)-
• 1,3,3-trimethyl-2-((1E,3E,5E,7E,9E,11E,13E,15E,17E)-3,7,12,16-tetramethyl-18-((R)-2,6,6-trimethylcyclohex-2-enyl)octadeca-1,3,5,7,9,11,13,15,17-nonaenyl)cyclohex-1-ene
• 1,3,3-trimethyl-2-[(1E,3E,5E,7E,9E,11E,13E,15E,17E)-3,7,12,16-tetramethyl-18-[(1R)-2,6,6-trimethylcyclohex-2-en-1-yl]octadeca-1,3,5,7,9,11,13,15,17-nonaenyl]cyclohexene

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(1) Fruits and vegetables that are sources for lutein and zeaxanthin: the macular pigment in human eyes.
Olaf Sommerburg, Jan E E Keunen, Alan C Bird, Frederik J G M van Kuijk