1. State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, Jiangxi, P. R. China
2. Jiangxi Sericulture and Tea Research Institute (Jiangxi Cash Crops Institute), Nanchang 330202, Jiangxi, P. R. China
3. Department of Pharmacy, Jiangxi University of Traditional Chinese Medicine, Nanchang 330004, Jiangxi, P. R. China