摘要
采用同时蒸馏萃取和气相色谱、气相色谱／质谱法测定了C5～C14。10种脂肪酸类香料单体在卷烟中的分布及其向主流烟气粒相物和滤嘴中的转移率。结果表明：①10种脂肪酸的烟丝持留率为30．34％-56．67％，散失率42．34％～68．15％，滤嘴迁移率0．17％～1．50％；②10种脂肪酸向主流烟气粒相物中的转移率为0～17．26％，滤嘴截留率2．85％～13．87％；⑧戊酸至十四酸等8种同系酸向主流烟气中的转移率随着其分子量的增大而增大，但其烟丝持留率、散失率、滤嘴截留率和滤嘴迁移率变化的规律性较差；④戊酸和异戊酸、3-甲基戊酸和己酸，均是异构酸的烟丝持留率较正构的低，其散失率、主流烟气转移率、滤嘴迁移率和滤嘴截留率则较正构的高。
Ten fatty acid flavors of C5 to C14 chain length were injected into cigarettes respectively, and their distribution and transfer behavior were analyzed after the cigarettes were stored at room temperature for 7 days by simuhaneous distillation and extraction combined with GC and GC/MS. The results showed that： 1 ） the retention ratios in cut tobacco, loss ratios, and immigration ratios to filter tip of the ten fatty acids ranged from 30.34% to 56.67%, 42.34% to 68. 15% and 0. 17% to 1.50%, respectively; 2） the transfer ratios to mainstream smoke and the interception ratios by filter tip of the ten fatty acids ranged from 0 to 17.26% and 2.85% to 13.87%, respectively; 3） the transfer ratios to mainstream smoke of 8 homologous acids from valeric to tetradecanoic acids increased with the increase of molecular weight, however, their retention ratios in cut tobacco, loss ratios, immigration ratios to filter tip and interception ratios by filter tip changed irregularly; 4） as for valeric acid and isovaleric acid, 3 - methylvaleric acid and hexanoic acid, the retention ratios of n-fatty acids in cut tobacco were higher than those of iso-fatty acids, while their loss ratios in cut tobacco, transfer ratios to mainstream smoke, immigration ratios to filter tip and interception ratios by filter tip were lower than those of iso-fatty acids.
出处
《烟草科技》
EI
CAS
北大核心
2008年第10期30-33,共4页
Tobacco Science & Technology
基金
国家烟草专卖局基金资助重点科研项目"中式卷烟香精香料核心技术研究"课题之二"代表性香料单体转移率研究"(110200401042)
