1. Department of Education, St. Joseph University in Tanzania, Dar es Salaam P.O. Box 11007, Tanzania
2. Department of Botany and Microbiology, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
3. Biomedical Research Laboratory, Department of Botany, Bharathiar University, Coimbatore 641046, Tamil Nadu, India
4. Department of Chemistry, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
5. School of Chemical Engineering, Yeungnam University, Gyeongsan 38541, Republic of Korea