| 摘要 |
A smokeless tobacco product suitable for human consumption is prepared from powdered tobacco. In one aspect, the powdered tobacco has a collective content of N'-nitrosonornicotine (NNN), 4-(N-nitrosomethylamino)-1-(3-pyridyl)-1-butanone (NNK), N'-nitrosoanatabine (NAT) and N'-nitrosoanabasine (NAB) which is 0.3 mug/g or less. In another aspect, a smokeless tobacco product comprises powdered tobacco and from about 0.5 to about 15 wt % peppermint, from about 0.5 to about 15 wt % spearmint, from about 0.5 to about 15 wt % menthol, and from about 0.5 to about 15 wt % eucalyptus. The powdered tobacco can be prepared by pulverizing cured tobacco or, alternatively, from an aqueous extract of tobacco. |
