Hydroxy group that originates from the aldehydic or ketonic group of a monosaccharide after ring closure.
Notes: - A functional group in one of two stereoisomers of a cyclic saccharide that differs only in its configuration at the hemiacetal or hemiketal carbon, which is also called the anomeric carbon. An anomer is a special type of epimer.
- The group is sometimes called, incorrectly, "anomeric hydroxyl group".
See: hemiacetal, hemiketal
Source:
PAC, 2018, 90, 1121. 'Terminology of bioanalytical methods (IUPAC Recommendations 2018)' on page 1169 (https://doi.org/10.1515/pac-2016-1120)