1. Tianjin Key Laboratory of Food Biotechnology; School of Biotechnology and Food Science; TianJin Univ. of Commerce; Tianjin 300134 P.R. China
2. College of Light Industry and Food Sciences South China Univ. of Technology; Guangzhou 510640 P.R.China
3. Guangdong Province Key Laboratory for Green Processing of Natural Products and Product Safety; Guangzhou 510640 P.R. China
4. School of Science; Tianjin Univ. of Commerce; Tianjin 300134 P.R. China
5. Hebei Jiaotong Vocational & Technical College; Tianjin 300381 P.R. China