Definition of ketoaldonic acids

1. Monosaccharides in which a structure containing a keto group and a carboxylic acid group is in equilibrium with a hemiacetal structure. 2-Carb-1.10. Specific compounds are named using the -ulosonic acid suffix. 2-Carb-22.1. See also oxo compounds. E.g. D-arabino-hexulosonic