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New amide and dioxopiperazine derivatives from leaves of Breynia nivosa.
- Blessing O Umeokoli, F. Onyegbule, +6 authors P. Proksch
- Chemistry, Medicine
- Fitoterapia
- 1 October 2017
The first chemical investigation of leaves of Breynia nivosa from Nigeria resulted in the isolation of two new amide derivatives breynivosamides A and B (1 and 2) and two new dioxopiperazine… Expand
PRELIMINARY STUDIES ON THE ANTIMALARIAL PROPERTIES OF THE PEELS OF CITRUS MAXIMA LINN
- C. Ihekwereme, F. Onyegbule, N. Okeke, C. Obi
- Chemistry
- 2017
Even though Citrus plants have antimalarial properties, there is no report of such about peels of C. maxima. This study explored fractions of peels of C. maxima for the presence of antimalarial… Expand
Extractive ion- pair spectrophotometric assay of quinine
- F. Onyegbule, S. Adelusi, C. Eboka
- Chemistry
- 1 September 2016
Quality control and assurance of antimalarials is vital in malaria treatment success. This research developed an extractive spectrophotometric method for routine assay of quinine, for enhanced… Expand
EXTRACTIVE VISIBLE SPECTROPHOTOMETRIC DETERMINATION OF CHLOROQUINE IN PHARMACEUTICAL AND BIOLOGICAL MATERIALS
Extractive visible spectrophotometric method is described for the analysis of chloroquine in it pure forms, pharmaceutical dosage forms and biological materials. Linearity, precision, stability and… Expand
Extractive Ion-Pair Spectrophotometric Assay of Amodiaquine
- F. Onyegbule, C. Eboka, S. Adelusi
- Chemistry
- 10 January 2015
The quality of antimalaria drugs is a concern in malaria treatment and management. The quality of these drugs can be monitored and assured if simple, sensitive and accurate methods are available for… Expand
CHEMICAL COMPOSITION AND ANTI-INFLAMMATORY ACTIVITY OF ESSENTIAL OILS FROM THE LEAVES OF OCIMUM BASILICUM L. AND OCIMUM GRATISSIMUM L. (LAMIACEAE)
Ocimum basilicum L. and Ocimum gratissimum L. (Lamiaceae) are widely distributed aromatic herbs used in ethnomedicinal management of a range of inflammatory disorders. In the present work we… Expand