Retinol and Retinyl Ester Responses in. - Oxford Academic.
Esters are an important functional group in organic chemistry, and they are generally written RCOOR’ or RCO 2 R’. Esters. An ester is characterized by the orientation and bonding of the atoms shown, where R and R’ are both carbon-initiated chains of varying length, also known as alkyl groups. As usual, R and R’ are both alkyl groups or groups initiating with carbon.
A few more esters. In each case, be sure that you can see how the names and formulae relate to each other. Notice that the acid is named by counting up the total number of carbon atoms in the chain - including the one in the -COOH group.So, for example, CH 3 CH 2 COOH is propanoic acid, and CH 3 CH 2 COO is the propanoate group.
Cite this entry as: (2004) Retinyl Esters. In: Encyclopedic Reference of Molecular Pharmacology. Springer, Berlin, Heidelberg.RIS.
Title: Retinol and retinyl esters: biochemistry and physiology: Thematic Review Series: Fat-Soluble Vitamins: Vitamin A: Publication Type: Journal Article.
Retinyl ester levels were five-fold greater in mutants than controls by 10 weeks and remained elevated through 42 weeks (4). Further analysis of the separated RPE and neural retina carried out at a single age (6 weeks) revealed that the accumulation of retinyl esters was occurring in the RPE as expected, not in the neural retina.
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Retinol is an organic compound, an alcohol. The retinol group can combine to form other compunds eg retinyl palmitate, an ester, formed by combining retinol and palmitic acid. So retinyl is a prefix used to describe a chemical compound derived fro.