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  1. Tobacco Science & Technology, 2012, 9, p. 58-62, ISSN.1002-0861

    Selective removal of hydrogen cyanide from cigarette smoke by combined filter of coptis alkaloid

    WU Jinfeng(1,2); LI Xuegang(1); WANG Peng(3); PENG Zhong(3); LAN Zhongyu(3); ZHENG Lifeng(2)
    (1) College of Pharmaceutical Sciences, Southwest University, Chongqing 400715, P.R. China; (2) Chongqing Cigarette Factory, Chongqing Tobacco Industrial Co., Ltd., China Tobacco Chuanyu Industrial Co., Ltd., Chongqing 400061, P.R. China; (3) Department of Technology, Chongqing Tobacco Industrial Co., Ltd., China Tobacco Chuanyu Industrial Co., Ltd., Chongqing 400060, P.R. China
    Coptis alkaloids were extracted from rhizome of Coptis chinensis rich in quaternary ammonium hydroxide and added into cigarette filter. On the basis of the reduction of hydrogen cyanide delivery in cigarette smoke, the way of coptis alkaloid adding into ...