Analysis of Essential Oil from Rhododendron dauricuml and its Application in Cigarette

The essential oil of Rhododendron dauricuml leaves was extracted with SDE.The volatile constituents in the oil were isolated and identified by GC/MS.The oil was added into cigarettes made of B2F and C3F tobacco leaves as a flavor.The results showed that:1) 78 volatile constituents were identified in the oil, which were mainly caryophyllene, 1, 5, 9, 9-tetramethyl-1, 4, 7-cycloundecatriene, germacrone, eudesmol and furfural, etc.2) The aroma quality and intensity of cigarette were improved, irritation was reduced, and aftertaste was modified by the essential oil.