Results 71 to 80 of about 6,864 (229)

EFSA NDA Panel (EFSA Panel on Dietetic Product s, Nutrition and Allergies), 2013 . Scientific Opinion on the substantiation of a health claim related to vitamin A and contribution to normal development and function of the immune system pursuant to Article 14 of Regulation (EC) No 1924/2006 [PDF]

open access: yes, 2013
Following an application from IDACE, submitted pursuant to Article 14 of Regulation (EC) No 1924/2006 via the Competent Authority of France, the EFSA Panel on Dietetic Products, Nutrition and Allergies (NDA) was asked to deliver an opinion on the ...

core   +1 more source

An LC/MS/MS method for stable isotope dilution studies of β-carotene bioavailability, bioconversion, and vitamin A status in humans[S]

open access: yesJournal of Lipid Research, 2014
Isotope dilution is currently the most accurate technique in humans to determine vitamin A status and bioavailability/bioconversion of provitamin A carotenoids such as β-carotene.
Anthony Oxley   +7 more
doaj   +1 more source

Catabolism of chylomicron remnants in normolipidemic subjects in relation to the apoprotein E phenotype

open access: yesJournal of Lipid Research, 1987
The role of the various apolipoprotein E isoproteins in the removal of chylomicrons and their remnants from plasma was studied in 16 normolipidemic subjects with various apoE phenotypes: 5 homozygous for apoE-2, 6 heterozygous for apoE-2 (phenotype E3/2),
B J Brenninkmeijer   +4 more
doaj   +1 more source

APOLIPOPROTEIN E (epsilon) genotype has a greater impact on apoB-48 than apoB-100 responses to dietary fat manipulation- insights from the SATgenε study [PDF]

open access: yes, 2016
SCOPE: To determine the contribution of intestinally and liver-derived lipoproteins to the postprandial plasma triacylglycerol (TAG) response in APOE3/E3 and E3/E4 individuals following chronic dietary fat manipulation.
Carvalho-Wells, Andrew L.   +5 more
core   +2 more sources

Liquid-gel partition chromatography of vitamin A compounds; formation of retinoic acid from retinyl acetate in vivo

open access: yesJournal of Lipid Research, 1974
A clear separation of retinol, retinal, and retinoic acid has been achieved by liquid–gel partition chromatography on Sephadex LH-20 with solvent mixtures of chloroform, Skellysolve B, and methanol.
Y.L. Ito   +3 more
doaj   +1 more source

Isomerization of Retinyl Palmitate Using Conventional Lipid Extraction Solvents

open access: yesJournal of AOAC INTERNATIONAL, 1983
Abstract The use or a chlorotorm-ethanol-water solvent system for the direct extraction of retinyl palmitate isomers from fortified food products was previously shown to be unsuitable because significant isomerization of all-trans-retinyl palmitate occurred during the extraction.
M C, Mulry, R H, Schmidt, J R, Kirk
openaire   +2 more sources

Influence of methionine supplementation of growing diets enriched with lysine on feedlot performance and characteristics of digestion in Holstein steer calves. [PDF]

open access: yes, 2016
ObjectiveTwo trials were conducted in order to examine the effects of level of supplemental methionine on productive performance, dietary energetic, plasma amino acid concentration, and digestive function.MethodsDietary treatments consisted of a steam ...
Carrasco, Ramsés   +4 more
core   +3 more sources

A Direct and Practical Approach to Assessing the Impact of Emulsion Composition on Vitamin A Stability

open access: yesJournal of the American Oil Chemists' Society, Volume 102, Issue 9, Page 1425-1437, September 2025.
ABSTRACT Vitamin A is an essential micronutrient involved in vision, immunity, and growth. Despite its widespread use in food, cosmetic, and pharmaceutical products, vitamin A is highly prone to oxidation due to its conjugated double bonds, leading to reduced biological activity and efficacy.
M. De Vreese   +6 more
wiley   +1 more source

Intestinal vitamin A metabolism: coordinate distribution of enzymes and CRBP(II)

open access: yesJournal of Lipid Research, 1993
In the mucosal layer of the small intestine, we found nearly identical gradients of CRBP(II), retinal reductase, and LRAT levels down the duodenal-ileal axis, suggesting coordinate regulation of these three proteins.
FM Herr   +5 more
doaj   +1 more source

Vitamina A em dietas para tilápia do Nilo [PDF]

open access: yes, 2009
Dietary vitamin supplementation decrease stress caused by high stocking density, and boosts immunological system of farmed fish. A studied was carried out to determine vitamin A requirements of Nile tilapia (Oreochromis niloticus) in an all male group ...
CAMPECHE, Daniela Ferraz Bacconi   +3 more
core   +2 more sources

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