1. Collaborative Innovation Centre of Yangtze River Delta Region Green Pharmaceuticals Zhejiang University of Technology Hangzhou 310032 P. R. China
2. College of Pharmaceutical Sciences Zhejiang University of Technology Hangzhou 310032 P. R. China
3. Zhejiang Engineering Research Center of Fat-soluble Vitamin Shaoxing University Shaoxing 312000 P. R. China