1. Department of biology, Universitas Mataram, Mataram, Indonesia
2. Department of Pharmacy, Universitas Mataram, Mataram, Indonesia
3. Department of Chemistry, Universitas Mataram, Mataram, Indonesia
4. Department of Pharmacognosy, Graduate School of Pharmaceutical Science, Kyoto University, Kyoto, Japan
5. Center of South East Asia Studies, Kyoto University, Kyoto, Japan