Effect of Solvent Acid Value on Transfer Behavior of Lactone Flavors in Cigarettes
In order to investigate the effects of organic acids on the transfer behavior of lactone molecules in cigarettes,the transfer properties of lactone flavors during storage and smoking in cigarettes were investigated.By preparing solutions of different acid values,gas chromatography-mass spectrometry(GC-MS)was utilized to acquire transfer ratio data of lactone flavors.The results showed that organic acids significantly affected the retention behavior of lactones in cigarettes and the migration behavior to filter rods.The lactones in the solutions with low and medium acid values decreased the retention rate of cigarettes due to the acid-catalyzed alcoholysis,while the solutions with high acid values significantly enhanced the aroma fixation ability of the solution,which led to the increase of the retention rate of cigarettes.With UPLC-MS,it was possible to observe the process of the lactone alcoholysis products returning to the lactone state at high temperature,resulting in basically the same smoke transfer rate and filter rod retention rate of lactones in solutions with different acid values.
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