#$%^&*AU2013203201A120130502.pdf#####Abstract A process for decreasing the amount of environmental pollutants in a mixture comprising a marine oil, being edible or for use in cosmetics, the marine oil containing the environmental pollutants, wherein the process comprises the steps of: - adding a volatile working fluid to the mixture, said volatile working fluid having a suitable volatility in relation to the volatility of the environmental pollutants that is to be stripped off from the marine oil mixture, where the volatile working fluid consists of at least one of a fatty acid ester, a fatty acid amide, a free fatty acid, biodiesel and a hydrocarbon, also including any combinations thereof, and - subjecting the mixture with the added volatile working fluid to at least one stripping processing step selected from short path distillation or evaporation, thinfilm distillation or evaporation, falling-film distillation or evaporation, and molecular distillation, in which an amount of environmental pollutant present in the marine oil, being edible or for use in cosmetics, is separated from the mixture together with the volatile working fluid. The process is used to prepare a health supplement, a pharmaceutical or fish feed product.