α -Carotene
![]() | |
![]() | |
Names | |
---|---|
IUPAC name
(6′R)-
| |
Systematic 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)
|
|
ChEBI | |
ChemSpider | |
PubChem CID
|
|
UNII | |
CompTox Dashboard (EPA)
|
|
| |
| |
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).
|
Human physiology
[edit]In American and Chinese adults, the mean concentration of serum
Dietary sources
[edit]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
Research
[edit]A 2018 meta-analysis found that both dietary and circulating
References
[edit]- ^ a b Li C, Ford ES, Zhao G, Balluz LS, Giles WH, Liu S (March 2011). "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. doi:10.1001/archinternmed.2010.440. PMID 21098341. Archived from the original on November 29, 2010.- Nordqvist C (November 22, 2010). "Those With High Alpha-Carotene Blood Levels Live Much Longer". Medical News Today.
- ^ Alpha-carotene Linked to Lower Mortality Rates Archived May 13, 2012, at the Wayback Machine, Tufts Health and Nutrition Letter, March 2011
- ^ Jayedi A, Rashidy-Pour A, Parohan M, Zargar MS, Shab-Bidar S (2018). "Dietary Antioxidants, Circulating Antioxidant Concentrations, Total Antioxidant Capacity, and Risk of All-Cause Mortality: A Systematic Review and Dose-Response Meta-Analysis of Prospective Observational Studies". Adv Nutr. 9 (6): 701–716. doi:10.1093/advances/nmy040. PMC 6247336. PMID 30239557.