1. Faculty of Biology, Vinh University, 182-Le Duan, Vinh City, Nghe An Province, Vietnam
2. Faculty of Agriculture, Forestry and Fishery, Nghe An College of Economics, 51-Ly Tu Trong, Vinh City, Nghe An Province, Vietnam
3. Faculty of Chemistry, Vinh university, 182-Le Duan, Vinh City, Nghe An Province, Vietnam
4. Institute of Ecology and Biological Resources, Vietnam Academy of Science and Technology, 18-Hoang Quoc Viet, Cau Giay, Hanoi
5. Natural Products Research Unit, Department of Chemistry, Faculty of Science, Lagos State University, Badagry Expressway Ojo, P. M. B. 0001, LASU Post Office, Ojo, Lagos, Nigeria