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Olyad Erba Urgessa
Olyad Erba Urgessa
Assistant Professor, Haramaya University, Ethioipia
Verified email at haramaya.edu.et
Title
Cited by
Cited by
Year
Phytochemical constituent and antimicrobial properties of guava extracts of east Hararghe of Oromia, Ethiopia
DA Oncho, MC Ejigu, OE Urgessa
Clinical Phytosciences 7, 2021
382021
In vitro antioxidant activity and polyphenolic content of commonly used spices from Ethiopia
JM Sasikumar, O Erba, MC Egigu
Heliyon 6, 2020
372020
Extraction of papain from papaya (Carica papaya L.) fruit latex and its application in transforming tannery raw trimming
OE Urgessa, DD Itana, TO Raga
Ethiopian Journal of Science and Sustainable Development 6 (2), 22-32, 2019
162019
Determination of Flavonoid Contents and Evaluation of in vitro Antioxidant Activities of the Extract of Selected Citrus Fruit Peel
OE Urgessa, DA Oncho, MC Egigu, TG Hordofa
International Journal of Secondary Metabolite 7 (1), 8–18, 2020
132020
OMICs approaches and technologies for understanding low-high feed efficiency traits in chicken: Implication to breeding
OE Urgessa, AA Woldesemayat
Animal Biotechnology 34 (8), 4147-4166, 2023
72023
Phytochemicals Analysis, In Vitro Antibacterial Activities of Extracts, and Molecular Docking Studies of the Isolated Compounds from Melhania zavattarii Cufod …
T Gonfa, A Temesgen, O Erba, ET Mengesha, M Sivasubramanian
Journal of Tropical Medicine 2023 (1), 8820543, 2023
72023
Isolation of cellulose degrading bacteria from rumen and evaluation of cellulase production by the isolate using lignocellulosic substrate
OE Urgessa, YA Sima, MM Adem, AK Ayele
Ethiopian Journal of Science and Sustainable Development 7 (1), 8-17, 2020
42020
Evaluating Rumen Fluid-Inoculated Lignocellulosic Substrates for Biogas Production
AS Yimeslal, EU Olyad, KA Ameha
East African Journal of Sciences 14 (2), 99-110, 2020
32020
Review on Desirable Microbial Phytases as a Poultry Feed Additive: Their Sources, Production, Enzymatic Evaluation, Market Size, and Regulation
OE Urgessa, R Koyamo, H Dinka, K Tefese, MT Gemeda
International Journal of Microbiology 2024 (1), 9400374, 2024
22024
Column Chromatography purification and evaluation of In Vitro Antioxidant Activity of Flavonoid from Some Selected Citrus Fruit Peels
OE Urgessa
Ethiopian Journal of Science and Sustainable Development 6 (2), 45-55, 2019
12019
Research Article Phytochemicals Analysis, In Vitro Antibacterial Activities of Extracts, and Molecular Docking Studies of the Isolated Compounds from Melhania zavattarii Cufod …
T Gonfa, A Temesgen, O Erba, ET Mengesha, M Sivasubramanian
2023
Chicken Transgenesis for Viral Disease Resistance and Functional Protein Production
O Erba, G Dugassa
East African Journal of Veterinary and Animal Sciences 6 (2), 39-52, 2022
2022
Reducing the Effect of Handout Dependent Student Learning on Instructional Time: The Case of Third Year Biology Students at Haramaya University
E Olyad, G Andualem, T Kiros
East African Journal of Social Sciences and Humanities 5 (1), 1-18, 2020
2020
PHYTOCHEMICAL SCREENING FOR ANTIMICROBIAL ACTIVITIES OF THE EXTRACTS OF GUAVA (Psidium guajava L.) AGAINST ENTERIC BACTERIAL PATHOGENS
O ERBA
2016
Prevalence and Associated Risk Factors for Intestinal Parasites among School Children in Haramaya District, Eastern Ethiopia: Cross-Sectional Study
SH Hundessa, OE Urgessa, MG Dagne
Plant secondary metabolite screening for in vitro antimicrobial activities of the extracts of guava (Psidium guajava L.) against enteric bacterial pathogens
OE Urgessa, MC Egigu, A Kebede
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