1-Undecanoyl-rac-glycerol is a monoacylglycerol that contains undecanoic acid at the sn-1 position. It completely inhibits the growth of the bacteria B. cereus, B. subtilis, M. luteus, E. faecalis, and S. aureus when used at concentrations ranging from 250 to 1,500 mg/L.1 1-Undecanoyl-rac-glycerol (0.1 and 0.3 mg/ml) also has antifungal activity against K. marxianus, S. cerevisiae, and C. maltosa.2

|1. BuňkovÁ, L., Buňka, F., Jani•, R., et al. Comparison of antibacterial effect of seven 1-monoglycerides on food-borne pathogens or spoilage bacteria. Acta Vet. Brno. 80(1), 29-39 (2011).|2. Barto•ovÁ, E., •picˇkovÁ, Z., PospÍ•ilovÁ, O., et al. The influence of fatty acids and their derivatives on the growth of Kluyveromyces, Saccharomyces, and Candida species. CHIMIA 59(10), 732-734 (2005).