Based on the results of this study It is concluded that STABILGREEN®K (Polyglyceryl- 4 Oleyl Ether, Dioleyl Phosphate) is not mutagenic in the Salmonella typhimurium strains TA97a, TA98, TA100, TA102 and TA1535 in the absence and presence of metabolic activation under the experimental conditions in this study.