1. Faculty of Science, Department of Chemistry, Prince of Songkla University, Hat Yai, Songkhla, Thailand
2. Faculty of Science, Center of Excellence for Innovation in Chemistry, Prince of Songkla University, Hat Yai, Songkhla, Thailand
3. Natural Product Research Center of Excellence, Prince of Songkla University, Hat Yai, Songkhla, Thailand
4. Faculty of Agro-Industry, Department of Industrial Biotechnology, Prince of Songkla University, Hat Yai, Songkhla, Thailand