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Sophina Ogonna Umeh

Publications (4)

Isolation, Screening and Characterization of Stress-tolerant Yeasts from Overripe Apple and Banana for Wine Production

Chukwuemeka Marcellinus Ezeuko, Sophina Ogonna Umeh, Chidimma Maryrose Ezeuko, Onyekachukwu Izuchukwu Udemezue & Glory Chinecherem Uzoigwe · European Journal of Nutrition & Food Safety · 2025

The search for robust, indigenous yeast strains is crucial for advancing local fermentation industries, particularly in tropical regions where high-temperature fermentations are common. This study aimed to isolate, screen, and characterize stress-tolerant yeasts from overripe app...

Open access Research Article 10.9734/ejnfs/2025/v17i121923

Antimicrobial Activities of Moringa oleifera Leaf Extracts on Bacterial Pathogens Isolated from “Ready to Eat Meat Pie” Sold in Aba, Abia State, Nigeria

Charles Chukwuemeka Chigbu, Sophina Ogonna Umeh, Success Eni Kalu & Ifeoma Vivian Nwankwo · South Asian Journal of Research in Microbiology · 2025

This study was designed to isolate bacterial pathogens from meat pie and determine the antimicrobial activities of Moringa oleifera leaf extracts on the isolates. Different meat pie samples were purchased from different locations in Aba while the Moringa oleifera leaf was gotten...

Open access Research Article 10.9734/sajrm/2025/v19i9462

Probiotic Properties of Lactobacilluscasei and L. plantarum Isolated From Overripe Avocado Pear

Victoria Chinaza Umunna, Sophina Ogonna Umeh, Onyekachukwu Izuchukwu Udemezue, Chibuenyim Ruth Onyekachi & Chibuike Emmanuel Okafor · Biotechnology Journal International · 2024

Probiotics have been researched for their benefit to gut health. Research for sources of probiotic bacteria has moved from milk to plants, as they have been found to be an inexhaustible source of lactic acid bacteria (LAB). The probiotic properties of lactic acid bacteria isolate...

Open access Research Article 10.9734/bji/2024/v28i5743

Green Synthesis of Silver and Zinc Oxide Nanoparticles Using Post-harvest Leaves of Vigna subterranean and their Antimicrobial, Anti-inflammatory and Antioxidant Potentials

Adaora Stella Ogbuagu, Lilian Chinelo Innocent, Nkeoma Nkasi Okoye, Sophina Ogonna Umeh & Josephat Okechukwu Ogbuagu · Asian Journal of Applied Chemistry Research · 2023

Green route synthesis of nanoparticles has been known to be beneficial as one of the non-toxic methods of synthesizing potential drugs. The aqueous extracts of Vigna subterranean (Bambara nut) leaves discarded after harvest were used in the synthesis of silver and zinc nanopartic...

Open access Research Article 10.9734/ajacr/2023/v13i3243