Dielectric properties of honey adulterated with sucrose syrup

► Dielectric constant of pure sucrose syrup was smaller than pure honey and honey-sucrose syrup mixtures. ► Relaxation frequency was not influenced by total sugar content of honey-sucrose syrup mixtures. ► Maximum loss factor decreased with increasing sucrose content of honey-sucrose syrup mixture. ► Significant negative linear correlation was found between loss factor and sucrose content. ► Dielectric properties could be used to detect sucrose-adulterated honey or sense sucrose content in honey.