B-carotene

B-carotene

a CAROTENE which is a precursor of vitamin A, producing two molecules of vitamin A per molecule of B-carotene.
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.
Total b-carotene content of the fish was determined spectrophotometrically after extraction with acetone (Choubert and Storebakken, 1989).
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.
Antioxidant activities were determined by Diphenyl-2-picrylhydrazyl (DPPH) radical scavenging activity, ferric reducing power (FRAP) and b-carotene bleaching (bCB).
In presented study, pure b-Carotene was used to evaluate four methods for the quantitative determination of b-carotene.
High doses of b-carotene cause higher incidence of lung carcinoma amongst smokers.
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.
Relationship between vitamin A and b-carotene in blood plasma and milk and mastitis in Holsteins.
ZMC manufacturers' active pharmaceutical ingredients, CoQ10, Vitamins A and E, Lycopene, B-Carotene, Lutein, Zeaxanthin, Biotin and Astaxanth in.
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.
Some dietary factors such as b-carotene and retinoid may be protective against lung cancer.