PRESERVATIVE SYSTEM

摘要

The present invention relates to an antimicrobial composition comprising a) a biocide such as an ester of p-hydroxy benzoic acid, bronopol, chlorocresol or an isothiazole, and b) an essential oil which has a specific gravity of at least 0.89 and a dielectric constant of 1-20. The essential oil may be selected from wintergreen oil, carvone, clove oil, spearmint oil, methyl salicylate and eugenol. The antimicrobial composition of the invention may be used as a preservative, as a pharmaceutical active ingredient, as a disinfectant or in a cleaning composition, inter alia.