Maltol, like related 3-hydroxy-4-pyrones such as kojic acid, binds to hard metal centers such as Fe3+, Ga3+, Al3+, and VO2+.
Maltol, liksom liknande 3-hydroxi-4-pyroner såsom kojisyra, binder till hårda metalljoner såsom Fe3+, Ga3+, Al3+ och VO2+.