| abstract |
An antimicrobial composition comprising a cyclic compound having Formula I or a derivative thereof, wherein R1 and R2 are independently selected from -OH, =O and OR' wherein R' is H or -COR" and R" is C1-10 alkyl; wherein R3 is a substituent comprising an -OH group; wherein R4 and R5 are each independently selected from a hydrocarbyl group, H, OG or =O, or represents a bond with an adjacent atom on the ring of the cyclic compound; provided that said cyclic compound is not Ascopyrone P; a process for preventing and/or inhibiting the growth of and/or killing micro-organisms in a material comprising the step of contacting the material with the antimicrobial composition; and the use of the composition for preventing and/or inhibiting the growth of and/or killing micro-organisms in a material wherein said micro-organism is selected from Listeria, Salmonella, Bacillus, Saccharomyces, Pseudomonas, Clostridium, Lactobacillus, Brochothrix, Micrococcus, Yersinia, Enterobacter and Zygosaccharomyces. |