A nitro amine filter the addition of substance and the use of the nitro amine in the smoke in order to reduce

摘要

This invention discloses a filter additive, the nitrosamines can be reduced in the smoke of the cigarette, and its applications. The additive belongs to the derivatives of protoporphyrin. Sludges the above-mentioned additive with 0.05% ~ 10% by weight of the carrier in the solvent, then spraying it on the carrier. The above-mentioned protoporphyrin - derivative containing carrier, in the case of the cables for laying out of the towing added and the filter rod is made to the comb filter. It is useful that the invention for the first time said protoporphyrin - derivative showing off, which is a considerable effect on reduction of the tsnas - content exerts in the cigarette smoke.