Mpumelelo Nkomo1, Benedicta N. Nkeh-Chungag2*, Learnmore Kambizi1, Eugene Jamot Ndebia2 and Jehu E. Iputo2
1Botany Department, Walter Sisulu University, PBx 1, Mthatha 5117, South Africa.
2Department of Physiology, Faculty of Health Sciences, Walter Sisulu University, Mthatha 5117, South Africa.
