Chemistry:Alpha-Carotene
From HandWiki
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| IUPAC name
β,ε-Carotene
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| Preferred IUPAC name
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-nonaen-1-yl}cyclohex-1-ene | |
| Identifiers | |
3D model (JSmol)
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PubChem CID
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| Properties | |
| C40H56 | |
| Molar mass | 536.873 |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
 verify (what is   ?)
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| Infobox references | |
Tracking categories (test):
α-Carotene is a form of carotene with a β-ionone ring at one end and an α-ionone ring at the opposite end. It is the second most common form of carotene.
Human physiology
In American and Chinese adults, the mean concentration of serum α-carotene was 4.71 μg/dL. Including 4.22 μg/dL among men and 5.31 μg/dL among women.[1][2]
Dietary sources
The following vegetables are rich in alpha-carotene:[1]
- Yellow-orange vegetables : Carrots (the main source for U.S. adults), Sweet potatoes, Pumpkin, Winter squash
- Dark-green vegetables : Broccoli, Green beans, Green peas, Spinach, Turnip greens, Collards, Leaf lettuce, Avocado
References
- ↑ 1.0 1.1 "Serum α-carotene concentrations and risk of death among US Adults: the Third National Health and Nutrition Examination Survey Follow-up Study". Arch. Intern. Med. 171 (6): 507–15. March 2011. doi:10.1001/archinternmed.2010.440. PMID 21098341. http://archinte.ama-assn.org/cgi/content/full/archinternmed.2010.440v1.
- ↑ Alpha-carotene Linked to Lower Mortality Rates , Tufts Health and Nutrition Letter, March 2011
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