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J. E. Owuna

Publications (4)

Citric Acid Production using Induced Mutant Aspergillus niger and Aspergillus awamori Isolated from Soil

I. K. Ekeleme, M. D. Makut, J. E. Owuna, I. H. Nkene, F. U. Alfa & S. O. Obiekezie · South Asian Research Journal of Natural Products · 2021

This study aimed at citric acid production using mutation induced Aspergillus niger and Aspergillus awamori isolated from soil in Keffi, Nigeria. Soil samples were collected from different location in Keffi. Aspergillus species were isolated and identify using standard microbiolo...

Open access Research Article

Production of Ascorbic Acid by Acetobacter Species Isolated from Soil in Keffi, Nigeria

E. J. Bahago, M. D. Makut, I. K. Ekeleme, J. E. Owuna, I. H. Nkene & S. O. Obiekezie · South Asian Research Journal of Natural Products · 2021

This investigation aimed at Production of Ascorbic acid by Acetobacter spp Isolated from soil in Keffi, was carried out using standard microbiological methods and identified standard techniques. The ability of the various isolates to produce Ascorbic acid were determined using st...

Open access Research Article

Antibiogram of Bacteria Isolated from Tympanotonus fuscatus Var. Radula (Prosobranchia:Potamididae) Sold in Markets in Nasarawa State, Nigeria

U. K. Asemota, M. D. Makut, S. O. Obiekezie, J. E. Owuna & M. O. Adamu · South Asian Journal of Research in Microbiology · 2020

The aim of this study was to determine the antibiogram of bacterial isolates from Tympanotonus fuscatus var. radula sold in markets in Nasarawa State. Nigeria. Samples of Tympanotonus fuscatus var. radula (periwinkles) were bought from soup ingredient sellers at different sale lo...

Open access Research Article 10.9734/sajrm/2019/v5i430135

Antibiotic Susceptibility Profile and Molecular Detection of tetA Genes in Tetracycline Resistant Salmonella Species Isolated from Different Water Sources in Keffi, Nasarawa State, Nigeria

M. O. Adamu, D. Ishaleku, Y. B. Ngwai, S. O. Obiekezie & J. E. Owuna · South Asian Journal of Research in Microbiology · 2020

This study was carried out to determine the antibiotics susceptibility profile and molecular detection of tetA genes in tetracycline resistant Salmonella species isolated from different water sources in Keffi, Central Nigeria. A total of 100 water samples, 25 each of well, public...

Open access Research Article 10.9734/sajrm/2020/v6i430157