Retinol, also called vitamin A1, is a fat-soluble vitamin in the vitamin A family that is found in food and used as a dietary supplement. Retinol or other...
47 KB (5,135 words) - 06:41, 16 August 2024
In enzymology, a retinol dehydrogenase (RDH) (EC 1.1.1.105) is an enzyme that catalyzes the chemical reaction retinol + NAD+ ⇌ {\displaystyle \rightleftharpoons...
14 KB (1,491 words) - 22:48, 27 March 2024
Vitamin A (section Retinol safety)
encompasses a group of chemically related organic compounds that includes retinol, retinyl esters, and several provitamin (precursor) carotenoids, most notably...
108 KB (12,574 words) - 21:14, 15 August 2024
NADP-retinol dehydrogenase (EC 1.1.1.300, all-trans retinal reductase, all-trans-retinol dehydrogenase, NADP(H)-dependent retinol dehydrogenase/reductase...
3 KB (296 words) - 15:07, 26 August 2023
Retinyl palmitate (redirect from Retinol palmitate)
Retinyl palmitate, or vitamin A palmitate, is the ester of retinol (vitamin A) and palmitic acid, with formula C36H60O2. It is the most abundant form...
9 KB (781 words) - 19:37, 15 August 2024
\rightleftharpoons } 11-cis-retinol Hence, this enzyme has one substrate, all-trans-retinol, and one product, 11-cis-retinol. These enzymes are alternatively...
2 KB (217 words) - 15:41, 26 August 2023
Retinyl acetate (redirect from Retinol acetate)
Retinyl acetate (retinol acetate, vitamin A acetate) is a natural[dubious – discuss] form of vitamin A which is the acetate ester of retinol. It has potential...
4 KB (211 words) - 08:45, 2 December 2023
Retinol-binding proteins (RBP) are a family of proteins with diverse functions. They are carrier proteins that bind retinol. Assessment of retinol-binding...
13 KB (1,604 words) - 16:15, 30 March 2024
Dietary β-carotene is a provitamin A compound, converting in the body to retinol (vitamin A). In foods, it has rich content in carrots, pumpkin, spinach...
34 KB (3,541 words) - 03:15, 16 August 2024
In enzymology, a retinol O-fatty-acyltransferase (EC 2.3.1.76) is an enzyme that catalyzes the chemical reaction acyl-CoA + retinol ⇌ {\displaystyle \rightleftharpoons...
2 KB (170 words) - 15:41, 26 August 2023
interact with their normal biological counterparts, such as Retinol binding protein 4 for retinol, retinoid receptors for All-trans-retinoic acid or 9-cis-retinoic...
20 KB (2,035 words) - 03:15, 16 August 2024
11-cis-retinol dehydrogenase (EC 1.1.1.315, RDH5 (gene)) is an enzyme with systematic name 11-cis-retinol:NAD+ oxidoreductase. This enzyme catalyses the...
2 KB (266 words) - 12:49, 26 August 2023
tablespoon (13.6 grams or 14.8 mL) of cod liver oil contains 4,080 μg of retinol (vitamin A) and 34 μg (1360 IU) of vitamin D. The Dietary Reference Intake...
10 KB (1,051 words) - 11:38, 5 August 2024
Lecithin retinol acyltransferase is an enzyme that in humans is encoded by the LRAT gene. Lecithin retinol acyltransferase is a microsomal enzyme that...
8 KB (902 words) - 03:43, 28 October 2022
toxic effects of ingesting too much preformed vitamin A (retinyl esters, retinol, and retinal). Symptoms arise as a result of altered bone metabolism and...
32 KB (3,559 words) - 20:32, 16 August 2024
activity of retinol (vitamin A); the body uses an enzyme to convert β-carotene to retinol. In other contexts, both β-carotene and retinol are simply considered...
2 KB (208 words) - 01:34, 15 June 2024
All-trans-retinyl-palmitate hydrolase (redirect from All-trans-retinyl ester acylhydrolase, 11-cis retinol forming)
hydrolase) catalyzes the reaction an all-trans-retinyl ester + H2O = 11-cis-retinol + a fatty acid This enzyme belongs to the family of hydrolases, specifically...
1 KB (102 words) - 13:04, 26 August 2023
certain disease states, the metabolism and conversion of carotenoids to retinol is slowed, which can lead to decreased clearance and increased plasma levels...
14 KB (1,568 words) - 20:57, 2 July 2024
Retinol binding protein 4, also known as RBP4, is a transporter protein for retinol (vitamin A alcohol). RBP4 has a molecular weight of approximately...
16 KB (2,035 words) - 03:09, 9 May 2024
Despite having no structural resemblance to retinol, Bakuchiol was found to have retinol functionality through retinol-like regulation of gene expression. In...
17 KB (1,664 words) - 18:59, 31 May 2024
all-trans-retinol + NADP+; all-trans-retinol dehydrogenases; all-trans-retinol + fatty acid → all-trans-retinyl ester + H2O; lecithin retinol acyltransferases...
33 KB (3,318 words) - 01:29, 16 July 2024
for all-trans-retinoic acid) is a metabolite of vitamin A1 (all-trans-retinol) that is required for embryonic development, male fertility, regulation...
17 KB (1,738 words) - 15:57, 16 August 2024
Diterpenes form the basis for biologically important compounds such as retinol, retinal, and phytol. They are known to be antimicrobial and anti-inflammatory...
5 KB (464 words) - 03:11, 23 July 2024
phosphatidylcholine---retinol O-acyltransferase (EC 2.3.1.135) is an enzyme that catalyzes the chemical reaction phosphatidylcholine + retinol---[cellular-retinol-binding-protein]...
2 KB (169 words) - 15:22, 26 August 2023
RDH5 (redirect from Retinol dehydrogenase 5)
11-cis retinol dehydrogenase is an enzyme that in humans is encoded by the RDH5 gene. GRCh38: Ensembl release 89: ENSG00000135437 – Ensembl, May 2017...
7 KB (943 words) - 03:11, 9 May 2024
Acyclic Phytol Geranylgeranyl pyrophosphate Geranyl-linalool Monocyclic Retinol Retinal Bicyclic cis-Abienol Epimanool Salvinorin A Tricyclic Cembrene...
19 KB (1,534 words) - 12:36, 2 August 2024
convert a trace of β-carotene to retinol, although the amount is totally insufficient for meeting their daily retinol needs. Carotenes are polyunsaturated...
23 KB (2,687 words) - 19:00, 22 May 2024
All-trans-retinyl ester 13-cis isomerohydrolase (redirect from All-trans-retinyl ester acylhydrolase, 13-cis retinol forming)
acylhydrolase, 13-cis retinol forming catalyses the reaction an all-trans-retinyl ester + H2O ⇌ {\displaystyle \rightleftharpoons } 13-cis-retinol + a fatty acid...
1 KB (113 words) - 13:04, 26 August 2023
RDH11 (redirect from Retinol dehydrogenase 11)
Retinol dehydrogenase 11 is an enzyme that in humans is encoded by the RDH11 gene. RHD11, a member of the short-chain dehydrogenase/reductase (SDR) superfamily...
8 KB (735 words) - 03:10, 9 May 2024
When in daily dosages in excess of 10,000 IU, or 3,000 retinol equivalents. (NOTE: Retinol/retinyl esters arerequired and essential for maintenance...
48 KB (211 words) - 18:08, 25 April 2024