| Affiliation: | (1) Department of Organic Chemistry, University of Yaound? I, P.O. Box 812, Yaound?, Cameroon;(2) Department of Bioresource Engineering, Faculty of Agriculture, Yamagata University, Tsuruoka Yamagata, 997-8555, Japan;(3) National Advanced School of Engineering, University of Yaound? I, P.O. Box 8390, Yaound?, Cameroon;(4) Department of Pharmacy and Traditional Pharmacopeia, Faculty of Medicine and Biomedical Sciences, University of Yaound? I, P.O. Box. 8664, Yaound?, Cameroon;(5) Department of Chemical Technology, University of Johannesburg, P.O. Box 17011, Doorfontein, Johannesburg, 2028, South Africa |
