1 Minimum Inhibitory Concentrations of Herbal Essential Oils and Monolaurin for Gram-Positive and Gram-Negative Bacteria Harry G. Preuss, a Bobby Echard, a Mary Enig, b Itzhak Brook, c Thomas B. Elliott, c a Department of Physiology and Biophysics, Georgetown University Medical Center, Washington, DC 20057; b Enig Associates, Silver Spring, MD 20904; c Armed Forces Radiobiology Research Institute, Bethesda, MD 20889 Harry G. Preuss MD and Bobby Echard Georgetown University Medical Center Basic Science Bldg, Room 231 B 4000 Reservoir Rd NW Washington DC 20057 Phone 202-687-1441 Fax 202-687-8788 E mail preusshg@georgetown.edu and bechards@aol.com Mary Enig PhD Enig Associates Suite 340 Meadow Park III 12501 Prosperity Drive Silver Springs MD 20904-1689 Phone 301-680-8600 Fax 301-680-8100 E mail marye@enig.com Itzhak Brook MD and TB Elliott PhD Radiation Medicine AFRRI 8901 Wisconsin Ave Bethesda MD 20889-5603 Phone 301-295-0898 Fax 301-295-6503 E mail Elliott@afrri.usuhs.mil and brook@afrri.usuhs.mil