1. Department of Agriculture and Resources, Faculty of Natural Resources and Agro-Industry, Kasetsart University Chalermphrakiat Sakon Nakhon Province Campus, Chiang Khruea, Mueang Sakon Nakhon, Sakon Nakhon, Thailand 47000
2. Department of Food Technology and Nutrition, Faculty of Natural Resources and Agro-Industry, Kasetsart University Chalermphrakiat Sakon Nakhon Province Campus, Chiang Khruea, Mueang Sakon Nakhon, Sakon Nakhon, Thailand 47000
3. 135 Moo 3 Ban Na Wai, Takon, Akat Amnuai, Sakon Nakhon, Thailand 47170
4. Singapore Botanic Gardens, National Parks Board, 1 Cluny Rd., 259569 Singapore