The present invention discloses: (i) a non-pathogenic probiotic microorganism and its probiotic/therapeutic uses; (ii) a formulation comprising an aqueous solution of a volatile fraction (VF) prepared from the extract of at least one plant derived material and its therapeutic uses; (iii) a process of manufacturing the formulation from the plant derived material; (iv) a probiotic composition comprising the non-pathogenic probiotic microorganism of the invention and/or other probiotic microorganism(s) and the formulation of the invention, and its probiotic/therapeutic uses; (v) a composition for industrial applications comprising the formulation of the invention and microorganism(s) of industrial applicability; and (vi) industrial processes and apparatuses in which the latter composition is used.