Synonym(s)
3,4-didehydroretinol; 3-dehydoretinol; all-trans-3,4-didehydroretinol; Dehydroretinol; retinol2; vitamin A2
DefinitionThis section has been translated automatically.
3-Dehydroretinol, also known as vitamin A2, is a derivative of the retinal (see vitamin A below). The molecule is characterized by an additional double bond between C3 and C4 compared to vitamin A1. The vitamin A component belonging to the vitamin A group has the molecular formula C20H28O and has only about 1/3 of the biological activity of retinol. 3-Dehydroretinol is mainly found in the retina, as well as in epithelial cells. It is also found in the liver of Fischer and amphibians.
LiteratureThis section has been translated automatically.
- Törmä H et al (1985)Biosynthesis of 3-dehydroretinol (vitamin A2) from all-trans-retinol (vitamin A1) in human epidermis.J Invest Dermatol 85:498-500.
- Ammon H et al (2014). Hunnius Pharmaceutical Dictionary. Walter de Gruyter GmbH Berlin/Boston S 1893-1894
Prof. Dr. med. Peter Altmeyer