Phikunthong Kopermsub1, 2 and Sirinda Yunchalard 2, 3 *
1Graduate school, Khon Kaen University, Khon Kaen 40002, Thailand.
2Department of Biotechnology, Faculty of Technology, Khon Kaen University, Khon Kaen 40002, Thailand.
3Fermentation Research Center for Value-Added Agricultural Products, Faculty of Technology, Khon Kaen University, Khon Kaen 40002, Thailand.
