The invention relates to novel yeast strains, to the yeasts resulting from these strains, to a composition containing at least one Saccharomyces cerevisiae yeast and/or derivatives of a yeast having a particular interest as a food additive and/or probiotic and/or functional food and/or neutraceutic and/or functional ingredient and/or cosmeceutical and/or pharmaceutical active agent. The invention also relates to the use of the same in human and/or animal nutrition, or for the treatment or prevention of inflammatory diseases.