Sumac is an anti-microbial and anti-fungal spice that can aid in the treatment of skin irritation and diseases. Scientists are also investigating Sumac's remarkable capacity to fight bacteria such as Salmonella and have discovered that it may safely disinfect fruits and vegetables. Sumac has been demonstrated in studies to have amazing anti-microbial properties that inhibit the growth of common oral bacterial strains that cause infectious disorders of the mouth.