1. School of Perfume and Aroma Technology, Shanghai Institute of Technology, Shanghai 201418, P. R. China
2. College of Tabacco Science, Yunnan Agricultural University, Kunming 650201, P. R. China
3. Key Laboratory of Sustainable Utilization of Plateau characteristic spice plant resources, Education Department of Yunnan Province 650201, P. R. China
4. Shanghai No. 4 Reagent Chemical Co., Ltd, Shanghai 201512, P. R. China