Results 41 to 50 of about 31,607 (196)
Unusual properties of retinyl palmitate hydrolase activity in rat liver.
Journal of Lipid Research, 1979 These studies report the hydrolysis of retinyl palmitate with liver homogenates and homogenate fractions from retinol-depleted rats. The studies utilized an effective in vitro assay for retinyl palmitate hydrolase (RPH) activity, in which microgram ...
E H Harrison, J E Smith, D S Goodman
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Accumulation of retinol in the liver after prolonged hyporetinolemia in the vitamin A-sufficient rat
Journal of Lipid Research, 2005 We assessed the effects of prolonged reduction of plasma retinol concentrations (hyporetinolemia) on the distribution of tissue vitamin A (VA) and of its active compounds using a model of continuous recombinant human interleukin-6 (rhIL-6) infusion via ...
Sin H. Gieng +2 more
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Where to Shop For GVP Collagen Retinol Moisturising Cream?
, 2020 In any case, some foe of developing conditions are exorbitantly relieving and sensitive. Thusly, while they may feel conventional and immerse your skin, they're not generally viably fight signs of developing.
GVP Collagen Retinol
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Simultaneous measurement of serum probucol and lipid-soluble antioxidants.
Journal of Lipid Research, 1992 A method is described for the simultaneous measurement of probucol, retinol, tocopherols, lycopene, and carotenes by reverse phase high performance liquid chromatography.
L Schäfer Elinder, G Walldius
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Separations, 2022 Vitamin A (retinol) and some of its derivatives are a group of fat-soluble compounds used in cosmetic products as bioactive ingredients. Therefore, it is necessary to perform the quality control of final product to ensure their efficacy and safety.
Víctor Vállez-Gomis +5 more
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, 2018 Retinol palmitate and retinol acetate in formulas for special medical purposes intended for infants was determined using NP-HPLC. The HPLC system consisted of NH2 column (150 mm×4.6 mm, 5.0 μm), mobile phase of n-hexane-25.0% tert-butyl methyl ether n ...
Tao, LI +5 more
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Journal 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
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Degradation Mechanisms, Encapsulation‐Based Stabilization, and Analytical Detection of Vitamin A
Journal of the American Oil Chemists' Society, Volume 103, Issue 9, Page 1079-1097, September 2026.ABSTRACT Vitamin A is an important lipid‐soluble micronutrient essential for vision, immune function, and overall growth and development. However, vitamin A is unstable and susceptible to environmental factors because of its conjugated structure and inherent chemical reactivity.
Latheesha Abeywardana +5 more
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Substrate specificity of retinyl ester hydrolase activity in retinal pigment epithelium
Journal of Lipid Research, 1998 In the eye, hydrolysis of stored retinyl esters is catalyzed by retinyl ester hydrolase (REH) activities in retinal pigment epithelium (RPE) membranes.
Jennifer R. Mata +2 more
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Quality Control of Vitamins A and E and Coenzyme Q10 in Commercial Anti-Ageing Cosmetic Products
Cosmetics, 2021 Vitamins A and E and coenzyme Q10 are common ingredients in anti-ageing cosmetic products. Within this study, we evaluated the quality of commercial cosmetics with vitamin A (35 products), vitamin E (49 products), and coenzyme Q10 (27 products) by using ...
Žane Temova Rakuša, Robert Roškar
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