1. Research and Development Center of Food Proteins, Guangdong Province Key Laboratory for Green Processing of Natural Products and Product Safety, Department of Food Science and Technology, South China University of Technology, Guangzhou 510640, P. R. China
2. Institute of Physics, University of Amsterdam, Science Park 904, 1098 XH Amsterdam, The Netherlands
3. Chaozhou Branch of Chemistry and Chemical Engineering Guangdong Laboratory (Hanjiang Laboratory), Chaozhou 521000, China
4. School of Pharmacy, Hainan Medical University, Haikou 571199, P. R. China
5. Sino-Singapore International Joint Research Institute, Guangzhou 510640, P. R. China