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Rosemary I. Uchegbu

Publications (6)

An Evaluation of the Chemical Compositions and Antifungal Activity of Ocimum gratissimum (Nchuanwu) Leaves against Some Plant Pathogens

Rosemary I. Uchegbu, Jacinta N. Akalazu & Chinweotuto E. Sokwaibe · Asian Journal of Applied Chemistry Research · 2019

Aim: This work was carried out to determine the chemical compositions of Ocimum gratissimum leaf (Fig. 1) using GC-MS and its antifungal potential against some plant pathogenic fungi. Study Design: The study was designed to determine its chemical compositions by GC-MS and to test...

Open access Research Article 10.9734/ajacr/2018/v2i3-430078

Evaluation of the Antimicrobial Activity and Chemical Composition of the Leaf Extract of Annona muricata Linn (Soursop) Grown in Eastern Nigeria

Rosemary I. Uchegbu, Kalu U. Ukpai, Irenus C. Iwu & Jacinta N. Akalazu · Archives of Current Research International · 2017

Aim: This work was carried out to test the inhibitory ability of the plant extract on some human pathogens, to identify the fungi associated with yam tuber rot in Nigeria, to evaluate the antifungal activity of methanol extract of Annona muricata (30 mg/ml) leaf along with mancoz...

Open access Research Article 10.9734/ACRI/2017/31929

Antimicrobial Assessment of Annona muricata Fruits and Its Chemical Compositions

Rosemary I. Uchegbu, Jacinta N. Akalazu, Kalu U. Ukpai & Irenus C. Iwu · Asian Journal of Medicine and Health · 2017

Aim: To determine the antibacterial activity of Annona muricata fruits against some human pathogens, the fungi associated with deterioration of Annona muricata fruits and the chemical compositions of the fruits. Study Design: The study was designed to test the inhibitory ability...

Open access Research Article 10.9734/AJMAH/2017/31927

GC-MS, Antimicrobial and In vitro Antioxidant Assay of the Leaf Extract of Alternanthera dentata

Doris Akachukwu & Rosemary I. Uchegbu · Journal of Advances in Medical and Pharmaceutical Sciences · 2016

Aims: To evaluate the phytochemical content, antimicrobial and antioxidant activity of the leaf extract of Alternanthera dentata. Study Design: Ethanol was used to extract the plant material for GC-MS analysis and antimicrobial studies while methanol extract was used for the anti...

Open access Research Article 10.9734/JAMPS/2016/29855

Isolation and Characterization of Zygadenine- N- ribofuranoside from the Leaves of Nymphaea alba Lily

Peter Chidi Njoku, Johnbull O. Echeme, Rosemary I. Uchegbu & Emeka C. Ogoko · Chemical Science International Journal · 2016

Aims: To isolate and characterize a new secondary metabolite, zygadenine-N-ribofuranoside derivative from the leaves of water lily (Nymphaeae alba L.). Methodology: The ethanol extract of the dried leaves was partitioned between chloroform and water (1:1), then the chloroform fra...

Open access Research Article 10.9734/ACSJ/2016/19929

Pragmatic Approach to the Removal of Cu(II)ions from Aqueous Solution using Silica: A Kinetic, Isothermal and Thermodynamic Study

Kenneth O. Amanze, Janet O. Amanze, Glory Okore, Lynda C. Ngozi-Olehi, Okeke Pamela I., Rosemary I. Uchegbu, Appolinus I. C. Ehirim & Gabriel C. Eze · Journal of Materials Science Research and Reviews · 2025

The main objective of this study was to investigate the removal of copper(II) ions [Cu (ii)] from aqueous solution by adsorption unto pure silica. The silica was characterized by using Fourier Transform Infra-Red (FT-IR) spectral analysis before and after adsorption of the metal...

Open access Research Article 10.9734/jmsrr/2025/v8i2413