1. Bioprospecting Laboratory, Department of Botany, Bharathiar University, Coimbatore 641046, Tamil Nadu, India
2. Inorganic and Structural Chemistry, Howard University, Washington, DC 20059, USA
3. Physical and Structural Chemistry, Department of Chemistry, Keene State College, 229 Main Street, Keene, NH 03435-2001, USA
4. Department of Botany, PSG College of Arts and Science (Autonomous), Coimbatore 641014, India
5. Department of Botany, Kongunadu Arts and Science College (Autonomous), GN Mills, Coimbatore 641029, India
6. Key Laboratory of Economic Plants and Biotechnology and the Yunnan Key Laboratory for Wild Plant Resources, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China