CIGARETTE FILTER CAPABLE OF REMOVING HARMFUL SUBSTANCE

摘要

[PROBLEMS] To provide a cigarette filter that does not impair the distinctive flavor of a cigarette and the air permeability of filter while smoking, and at the same time, can more effectively remove a harmful substance such as a pyrene that is generated from the cigarette. [MEANS FOR SOLVING PROBLEMS] The cigarette filter comprising a filter fiber bundle body which cigarette smoke passes through; a micropowder with a high surface area ratio that are mixed and scattered in the filter fiber bundle body; and a double-stranded DNA molecule attached to the outer surface of the micropowder with a high surface area ratio, characterized in that a harmful substance such as benzo[a]pyrene contained in the cigarette smoke can be removed by intercalation into the double-stranded DNA molecule.