Abstract: The disclosure relates to the field of free radical scavengers. More particularly, the disclosure concerns microparticles associated with polyphenolic compounds capable of capturing free radicals present in polluted air or smoke, in particular tobacco and/or cannabis-based cigarette smoke. The disclosure also relates to a process for preparing a cigarette filter and the filter obtained, as well as a process for preparing a filter fabric and the fabric obtained.

Abstract: This invention provides for reducing free-radicals from cigarette smoke by using a filter impregnated by an extract of a rosemary plant in oil, containing carnosol, rosmanol, rosmadial, carnosic acid, genkwanin and rosmarinic acid. The extract is obtained by extraction with an alcoholic solvent or an aqueous alcoholic solvent, followed by extraction with a supercritical fluid.

Abstract: The invention relates to a cigarette filter containing rosemary extract and a method of reducing DNA damage caused by various harmful agents in cigarette smoke. More specifically, the present invention relates to the use of said filter to reduce DNA damage caused by benzo (a) pyrenes in human cells by the reduction of the human lung benzo (a) pyrene diol epoxide-dG (BPDE-dG) adduct.