1. Graduate Program in Biotechnology, The Graduate School, Chiang Mai University, 239 Huay Kaew Rd, Suthep, Muang, Chiang Mai 50200, Thailand
2. Faculty of Science, Department of Chemistry, Division of Biochemistry and Biochemical Technology, Chiang Mai University, 239 Huay Kaew Rd, Suthep, Muang, Chiang Mai 50200, Thailand
3. Faculty of Science, Department of Chemistry, Kasetsart University, Bangkok 10900, Thailand