Results 51 to 60 of about 49,090 (200)

Assessment of vitamin A, beta-carotene, and oxidized beta-carotene supplementation on pig growth performance and immune system [PDF]

, 2023
Vitamin A and beta-carotene are fat-soluble and play a role in the immune system and reproduction. This dissertation aimed to assess how fat type and inclusion could affect these fat-soluble components, how supplementation of vitamin A and beta-carotene ...
Elefson, Sarah
core   +1 more source

Extraction of beta-carotene from the microalga Dunaliella salina using bacterial lipase enzyme and organic solvent under varying stress conditions

Frontiers in Marine Science
Nowadays there is a growing trend towards carotenoids obtained from natural sources such as microalgae. Dunaliella salina is among the most significant natural sources of beta-carotene for commercial scale, which is used in many food industries ...
Fotoon Sayegh, Fotoon Sayegh, Mona J. Al-naghrani, Mona J. Al-naghrani, Ramzi H. Amran, Ramzi H. Amran, Mamdoh T. Jamal, Nada M. Nass, Nada M. Nass, Wessam F. Felemban, Wessam F. Felemban, Samyah D. Jastaniah, Sathianeson Satheesh   +12 more
doaj   +1 more source

Separation and quantitation of serum beta-carotene and other carotenoids by high performance liquid chromatography.

Journal of Lipid Research, 1984
We describe a specific assay for serum provitamin A (alpha- and beta-carotene) by high pressure liquid chromatography (HPLC). The system separates alpha- and beta-carotene in 7.4 min using a C18 muBondapak, 10-micron particle size column with a mobile ...
N Katrangi, L A Kaplan, E A Stein
doaj   +1 more source

How good are rodent models of carcinogenesis in predicting efficacy in humans? A systematic review and meta-analysis of colon chemoprevention in rats, mice and men [PDF]

, 2005
Tumours in rodent and human colon share many histological and genetic features. To know if rodent models of colon carcinogenesis are good predictors of chemopreventive efficacy in humans, we made a meta-analysis of aspirin, beta-carotene, calcium, and ...
Denis E. Corpet, Pierre, Fabrice, Pierre, Fabrice H.F., Fabrice Pierre, Corpet, Denis E.   +4 more
core   +1 more source

Carotenoid composition and vitamin A value of an Argentinian squash (Cucurbita moschata)

Archivos Latinoamericanos de Nutrición, 2001
The carotenoid composition of butternut squash (Cucurbita moschata) cultivated in the province of Santiago del Estero, Argentina, was determined. The main carotenoids isolated were identified as beta -carotene (beta ,beta -carotene), alpha -carotene ...
Evangelina González, Mariana A Montenegro, Mónica A Nazareno, Beatriz A López de Mishima   +3 more
doaj  

DAYA TERIMA DAN KADAR BETAKAROTEN DONAT SUBSTITUSI LABU KUNING

Media Gizi Indonesia, 2017
Vitamin A defi ciency in Indonesia is still unresolved, especially in children. Pumpkin is a type of tubers and a local  food product that contains high beta-carotene.
Endah Bardiati, Annis Catur Adi, Siti Rahayu Nadhiroh   +2 more
doaj   +1 more source

Association between circulating antioxidant concentrations and bone mineral density in an adult population

European Journal of Medical Research
Background Evidence regarding the relationship between various circulating antioxidants and bone mineral density (BMD) remains controversial. Objective This study aimed to evaluate the associations between circulating antioxidant levels and BMD in a ...
Kongning Chen, Chengzhao Liu, Chunjie Lin, Hengmei Chen, Xuemei Huang, Bin Zou   +5 more
doaj   +1 more source

Comparison of the Effects of Supplemental Red Palm Oil and Sunflower oil on Maternal Vitamin A Status. [PDF]

, 2001
Conflicting results have been reported on the ability of dietary carotenoids to improve vitamin A status in lactating women. Red palm oil is one of the richest dietary sources of beta-carotene.
Mugyabuso, J K, Ndossi, G D, Lorri, W, Henry, C J, Ballart, A, Tomkins, A, Mulokozi, G, Lietz, G   +7 more
core  

Effects of beta-carotene on soybean lipoxygenase activity: kinetic studies [PDF]

, 2007
beta-carotene directly influences the amount of soybean lipoxygenase (LOX) in the reaction medium available for the catalytic conversion of linoleic acid into corresponding hydroperoxides.
Serpen, Arda, Gokmen, Vural
core   +1 more source

Beta-carotene prevents ozone-induced proinflammatory markers in murine skin [PDF]

, 2009
Beta-carotene has been thought to protect against oxidative stress generated by ultraviolet radiation and thus prevents skin cancer and skin aging (Biesalski and Obermueller-Jevic, 2001).
Valacchi, G., Pecorelli, A., Davis, P. A., Mencarelli, M., Maioli, Emanuela   +4 more
core   +3 more sources