B-carotene

B-carotene

a CAROTENE which is a precursor of vitamin A, producing two molecules of vitamin A per molecule of B-carotene.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005
References in periodicals archive ?
In order to avoid or reduce the problems associated with vitamin A therapy, the treatment of alcoholics has been considered using the precursor to vitamin A, b-carotene. This precursor is a carotenoid that acts as an antioxidant when eliminating free radicals (Fukuzawa et al., 1998).
Ethanol Intake and Toxicity: In Search of New Treatments/Ingesta de Etanol y Toxicidad: En Busqueda de Nuevos Tratamientos
Total b-carotene content of the fish was determined spectrophotometrically after extraction with acetone (Choubert and Storebakken, 1989).
Effect of Supplemented Algal Carotenoid Diets on Skin Color of Tomato Clownfish, Amphiprion frenatus
[6.] Muzhingi, T, Gadaga T, Siwela A, Grusak M, Russell R and Tang G Yellow maize with high b-carotene is an effective source of vitamin A in healthy Zimbabwean men.
Effect of regular consumption of provitamin a biofortified staple crops on vitamin a status in populations in low-income countries
Antioxidant activities were determined by Diphenyl-2-picrylhydrazyl (DPPH) radical scavenging activity, ferric reducing power (FRAP) and b-carotene bleaching (bCB).
Antioxidant Activity of some Extracts from Gamma irradiated Purslane (Portulaca oleracea) Plant
It was found that the b-carotene content in the fresh fruit is on average 5257.20 mg / 100 g in the flour, 11682.66 mg / 100 g and a-carotene of 203.54 and 452.31 mg / 100 g in the pulp and flour, respectively.
Dehydration and spraying of buriti pulp (Mauritia flexuosa L.): shelf-life evaluation/Desidratacao e pulverizacao de polpa de buriti (Mauritia flexuosa L.): Avaliacao da vida de prateleira
In presented study, pure b-Carotene was used to evaluate four methods for the quantitative determination of b-carotene.
Quantitative Determination of b-carotene Aided by Hexane / Ethanol Extraction
High doses of b-carotene cause higher incidence of lung carcinoma amongst smokers.
Uses, Misuses of Vitamins
So we have a Chili pepper with high nutrition value, as it consists vitamins, minerals and active ingredients (phytochemical compounds) like Flavonoids B-carotene, a-carotene, lutein, zea-xanthin & cryptoxanthin and most important Capsaicin.
Eating chilli: A spicy and healthy activity
Relationship between vitamin A and b-carotene in blood plasma and milk and mastitis in Holsteins.
Prepartum micronutrient supplementation and its effect on control of sub-clinical mastitis
ZMC manufacturers' active pharmaceutical ingredients, CoQ10, Vitamins A and E, Lycopene, B-Carotene, Lutein, Zeaxanthin, Biotin and Astaxanth in.
ZMC-USA
To assess the antioxidative perspectives, total phenols (TP), DPPH radical scavenging activity (1,1-diphenyl-2-picrylhydrazyl), antioxidant activity by b-carotene assay, ABTS (2,2'-azino-bis, 3-ethylbenzothiazoline-6-sulfonic acid) test and FRAP (Ferric reducing antioxidant power) assay were performed.
PHYTOCHEMICAL PROFILING OF PAKISTANI GARLIC VARIETIES; SPECIAL ATTENTION TO ANTIOXIDANT STATUS
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