Ojewole, John Akanni Oluwole.Owira, Peter Mark Oroma.2016-06-282016-06-282009-032009-03http://hdl.handle.net/10413/13104Ph. D. University of Kwa-Zulu-Natal, Durban 2009.Abstract available in PDF file.en-ZAEnzyme inhibitors -- Pharmacokinetics.Drug development.Enzyme inhibitors.Diabetes -- Prevention.Theses -- Pharmacy and pharmacology.Grape fruit juice improves glycemic index and up-regulates expression of hepatic organic cation transporter protein (OCTI) in the ratThesis