1. Interdisciplinary Program in Biotechnology, Graduate School Chiang Mai University Chiang Mai 50200 Thailand
2. Division of Biotechnology, Faculty of Agro‐Industry Chiang Mai University Chiang Mai 50100 Thailand
3. Division of Packaging Technology, Faculty of Agro‐Industry Chiang Mai University Chiang Mai 50100 Thailand
4. Graduate School of Agriculture Yamagata University 1‐23 Wakaba‐machi, Tsuruoka Yamagata 997‐8555 Japan
5. Division of Agrobioscience, Graduate School of Agricultural Science Kobe University 1‐1 Rokkodai, Nada‐ku Kobe 657‐8501 Japan