Department of Chemical Engineering;
Chukwuemeka Odumegwu Ojukwu University;
Uli;
Nigeria;
Department of Chemical;
Chemistry and Biomedical Engineering;
University of New Haven;
West Haven;
USA;
PHYTOCHEMICAL; N-HEXANE; Neem Leaves; FTIR; PHARMACEUTICAL; BIOMEDICINE; Biomedical; Antioxidant; Chemical; Herbal;