1. School of Life Science , Qufu Normal University , Qufu, Shandong , China
2. Photosynthesis Research Center , Key Laboratory of Photobiology , Institute of Botany, Chinese Academy of Sciences , Beijing , China
3. University of Chinese Academy of Sciences , Beijing , China
4. School of Food Science , Nanjing Xiaozhuang University , Nanjing, Jiangsu 211171 , P.R. China , Phone: +86-13675138903, Fax: +86-25-86178148