Optimization for extraction process of volatile oil from Fructus Litseae using response surface methodology

ObjectiveIn order to provide new direction and ideas for further application of Fructus Litseae in cigarettes,extraction process of volatile oil from Fructus Litseae was optimized,and its influence on smoking quality of cigarette was studied. MethodVolatile oil was extracted from Fructus Litseae by hydro-distillation method,and response surface methodology(RSM) was employed to optimize extraction conditions. Then effect of extracted volatile oil on smoking quality of cigarette was evaluated by smoke panel test. ResultThe optimum extraction conditions of volatile oil were as follows:2.5∶1 of liquid-material ratio,18 h of soaking time,1 h of distillation time. After the volatile oil extracted under these conditions were added to cigarette,smoking quality of cigarette obtained the highest score(90.5 points),and was slightly more than predictive value(90.0 points). The aroma quality of cigarette was enhanced, irritation of smoke was reduced,the aftertaste was improved,the miscellaneous gas was covered up by volatile oil of Fructus Litseae. It posed a good effect on improving smoking quality of cigarette . ConclusionSmoking quality of cigarette can be improved by adding volatile oil of Fructus Litseae,and volatile oil of Fructus Litseae possessed good application prospects.