a functional group consisting of an oxygen atom bonded to a hydrogen atom (-OH)
an -OH functional group bonded to a carbon atom
The —OH group, characteristic of alcohols.
A chemical group containing one hydrogen and one oxygen (-OH)
A chemical group consisting of one atom of oxygen and one of hydrogen. Each anhydroglucose unit in starch has three hydroxyl groups. The hydroxyl groups in starch and its derivatives account for the hydrophilic nature of these materials.