1. Aromatic Plant R & D Center, School of Agriculture and Biology; Shanghai Jiao Tong University; 800 Dongchuan Rd; Shanghai; 200240; P.R. China
2. Flavor & Fragrance Research Center; Yunnan Academy of Tobacco Science; 41 Keyi Rd, high-tech industrial development zone; Kunming; 650106; P.R. China
3. Agricultural Environment & Resource Research Institute; Yunnan Academy of Agricultural Sciences; Kunming; 650200; P.R. China