1. School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, P. R. China;
2. Jiangsu Key Laboratory of Regional Resource Exploitation and Medicinal Research, Huaiyin Institute of Technology, Huaian, P. R. China;
3. Ocean College, Zhejiang University, Hangzhou, P. R. China;
4. School of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou, P. R. China