. "Fractional purification and kinetic parameters (Km and Vmax) of polyphenol oxidase extracted from three segments of Solanum melongenas and Musa sapietum fruits . Paul Chidoka Chikezie1*, Adaeze Rose Akuwudike1, Chinwendu Maureen Chikezie1 and Chiedozie Onyejiaka Ibegbulem2". Iranian Journal of Plant Physiology, 3, 3, 2013, 703-710. doi: 10.22034/ijpp.2013.540682