Williams, K. F

Amylase Production from Aspergillus sp Isolated from Dumpsite Soil Using Corn-Cob and Orange-mesocarp as a Substrate

Williams, K. F, CHIOMA, D.M, Opara, C & Kingsley, R.S · Microbiology Research Journal International · 2026

The increasing demand for sustainable and cost-effective enzyme production has driven research toward microbial fermentation using agro-residues as substrates. This study investigated dumpsite soils as reservoirs of α-amylase–producing fungi and evaluated corn cob and orange meso...

Open access Research Article 10.9734/mrji/2026/v36i21712

Production of Exopolysaccharides by Bacteria Isolated from River Water Using Banana and Yam Peels as Substrates

Williams, K. F, CHIOMA, D.M, Opara, C & Dan, J.I · South Asian Journal of Research in Microbiology · 2025

The rising interest in microbial exopolysaccharides (EPS) has prompted the search for cost-effective substrates and efficient bacterial strains to enhance production. This study investigated river water as a source of EPS-producing bacteria and evaluated banana and yam peels as p...

Open access Research Article 10.9734/sajrm/2025/v19i11474

Production and Characterization of Gluconic Acid from Aspergillus sp Using Agro-residues as a Substrate

Williams, K. F, CHIOMA, D.M & Felix, H · Journal of Advances in Biology & Biotechnology · 2025

Gluconic Acid is a mild organic acid which finds application in the food and pharmaceutical industry. This study, explored the production of gluconic acid through submerged fermentation using ground nut peel and corn cob as a substrates.  The soil sample from Rumuokoro dumpsite h...

Open access Research Article 10.9734/jabb/2025/v28i113233