Abstract: In order to investigate influence of humectants on expanded cut tobacco,casing mode before expansion was used.Cut tobacco was added 3 humectants and then expanded.Sensory quality,physical indexes and moisture retentivity were compared.The results indicate that ① physical indexes were enhanced obviously,the long cut rate increased from 43.2% to 47.350.2%,the filling value of cut tobacco increased from 20.16 mm/10 g to21.3225.36 mm/10 g,the broken cut rate is reduced from 4.3% to 3.03.7%;② sensory quality of expanded cut tobacco cased before expansion were improved;③ moisture retentivity of sample added 3 humectants was improved visibly,balanced moisture content was elevated and speed of dehydration was decreased.

Key words: expanded cut tobacco, humectants, sensory quality, moisture retentivity