| 摘要 |
In one embodiment this invention provides smoking compositions which contain a novel oxalate ester flavorant-release additive. Under cigarette smoking conditions, a combustible filler additive such as a methyl 4-oxo- beta -ionyl oxalate <IMAGE> pyrolyzes and releases megastigma-5,7,9-trien-4-one as a natural flavorant component of the cigarette smoke. <IMAGE>
|
