1. Faculty of Pharmaceutical Sciences, Department of Pharmacognosy and Pharmaceutical Botany, Chulalongkorn University, Bangkok, Thailand
2. Scientific and Technological Research Equipment Centre, Chulalongkorn University, Bangkok, Thailand
3. Faculty of Pharmaceutical Sciences, Department of Biochemistry and Microbiology, Chulalongkorn University, Bangkok, Thailand
4. Faculty of Pharmaceutical Sciences, Natural Products for Ageing and Chronic Diseases Research Unit, Chulalongkorn University, Bangkok, Thailand