Vanillyl alcohol
Vanillyl alcohol is a vanillin derivative that exhibits strong antibacterial activity. It can be used in the food industry as a natural preservative, and it has synergic effects with eugenol. Vanillyl alcohol shows antimicrobial properties against Gram-positive and Gram-negative bacteria, including Staphylococcus aureus, Pseudomonas aeruginosa, Escherichia coli, and Enterococcus faecalis. Vanillyl alcohol exhibits synergic effects with eugenol. In vivo models show that vanillyl alcohol is not toxic to humans, but it may be toxic to wild-type strains of bacteria.