1. Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Padjadjaran, Sumedang, West Java, Indonesia
2. Central Laboratory, Universitas Padjadjaran, Sumedang, West Java, Indonesia
3. Study Centre of Natural Product Chemistry and Synthesis, Faculty of Mathematics and Natural Sciences, Universitas Padjadjaran, Sumedang, West Java, Indonesia
4. Research Center for Raw Materials for Medicine and Traditional Medicine, National Research and Innovation Agency (BRIN), Tangerang Selatan, Banten, Indonesia
5. Faculty of Pharmacy, Universitas Mulawarman, Samarinda, Kalimantan Timur, Indonesia
6. School of Chemical Sciences, Universiti Sains Malaysia, Minden, Penang, Malaysia
7. Department of Food, Life, and Environmental Science, Faculty of Agriculture, Yamagata University, Tsuruoka, Yamagata, Japan