A. I. Ogbonna

Effects of Process Parameters on the Activities of Enzymes by Different Species of Aspergillus in Crude Polluted Soil Sites

J. M. Madu, A. I. Ogbonna & C. I. C. Ogbonna · Biotechnology Journal International · 2021

The effects of temperature, pH and incubation time on amylase, protease and cellulase activity by different species of Aspergillus in crude oil polluted soil sites in Nigeria were studied. Incubation period, Optimal pH values and temperatures for the enzymes produced by the diffe...

Open access Research Article 10.9734/bji/2021/v25i330140

Quantitative Assessment of Hydrolytic Potentials of Fungal Isolates from Crude Oil Impacted Soil Ecosystem in Varied Media Formulations

J. M. Madu, A. I. Ogbonna & C. I. C. Ogbonna · Journal of Advances in Microbiology · 2020

Background of the Study: A quantitative assessment of different enzymes that produce the best of hydrolyses of starch, skim milk, carboxymathlcellulose (CMC) and groundnut oil which were further assessed for the production of extracellular enzyme.  Aim: The study aimed at assessi...

Open access Research Article 10.9734/jamb/2020/v20i1130298

Bioconversion of Sweet Potato Leaves to Animal Feed

I. A. Onyimba, A. I. Ogbonna, J. O. Egbere, H. L. Njila & C. I. C. Ogbonna · Annual Research & Review in Biology · 2015

Background: The high cost of conventional animal feed ingredients in Nigeria has made it necessary to search for alternative local sources of feed. Crop residues including sweet potato leaves abound in Nigeria. These have been explored as feed sources. The ability of microorganis...

Open access Research Article 10.9734/ARRB/2015/19290