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vitamin A

Any member of a group of fat-soluble retinoids produced via metabolism of provitamin A carotenoids that exhibit biological activity against vitamin A deficiency. Vitamin A is involved in immune function, vision, reproduction, and cellular communication.

ChEBI ID: 12777

Members (5)

MemberDefinitionRole
3,4-didehydroretinoic acidA retinoid obtained by 3,4-desaturation of beta-ionone ring of all-trans-retinoic acidall-trans-3,4-didehydroretinoic acid
retinaldehydeA retinal in which all four exocyclic double bonds have E- (trans-) geometry.all-trans-retinal
retinolA retinol in which all four exocyclic double bonds have E- (trans-) geometry.all-trans-retinol
tretinoinA retinoic acid in which all four exocyclic double bonds have E- (trans-) geometry.all-trans-retinoic acid
vitamin a2A retinoid derived from 3,4-desaturation of the beta-ionone ring of all-trans-retinol.all-trans-3,4-didehydroretinol

Research

Studies (46,539)

TimeframeStudies, Drugs in This Class (%)All Drugs %
pre-199014,760 (31.72)18.7374
1990's10,244 (22.01)18.2507
2000's9,865 (21.20)29.6817
2010's8,860 (19.04)24.3611
2020's2,810 (6.04)2.80

Study Types

Publication TypeStudies, Drugs in This Class (%)All Drugs (%)
Trials2,676 (5.17%)5.53%
Reviews4,451 (8.60%)6.00%
Case Studies1,949 (3.77%)4.05%
Observational54 (0.10%)0.25%
Other42,609 (82.35%)84.16%