Lecithin enhances antimicrobial properties of the essential oil, eugenol
(PHYSorg.com Chemistry)

Lecithin, a natural emulsifier commonly used in processed foods, synergistically enhances the antimicrobial properties of the natural essential oil, eugenol, but only when applied in very small quantities. The research is published in Applied and Environmental Microbiology, a journal of the American Society for Microbiology.