1. Division of Food Technology, Kanchanaburi Campus Mahidol University Kanchanaburi 71150 Thailand
2. School of Food Science and Engineering South China University of Technology Guangzhou 510640 P. R. China
3. Unit of Scientific Laboratory for Education, Kanchanaburi Campus Mahidol University Kanchanaburi 71150 Thailand
4. Faculty of Science Department of Biotechnology Mahidol University Rama 6 Road Bangkok 10400 Thailand