The invention is directed to a particle containing at least one hydrophobic matrix material and at least one volatile substance, the particle contains 60% to 90% by weight of the at least one matrix material, whereby the at least one matrix material is selected from the group of fats, hydrogenated triglycerides and waxes that are solid or semi-solid at 20 °C and 1 atmosphere, that the particle contains 10% to 40% by weight of the at least one volatile substance, whereby the at least one volatile substance is selected from essential oils and/or plant extracts, and that the at least one volatile substance is homogeneously distributed in the at least one matrix material, whereby the particles maintain flowability, as well as to a process for preparing said particle as well as to a food and/or feed additive containing said particle and optionally at least one further component.
