1. Faculty of Allied Health Sciences, Nakhon Ratchasima College, Nakhon Ratchasima, 30000, Thailand
2. Department of Microbiology, Faculty of Science, Khon Kaen University, Khon Kaen, 40002, Thailand
3. Department of Horticulture, Faculty of Agriculture, Khon Kaen University, Khon Kaen, 40002, Thailand