Anti-inflammatory and Antioxidant Activities of Selected Fractions of Parinari kerstingii Leaf Extract http://www.doi.org/10.26538/tjnpr/v7i10.35.

Main Article Content

Nwamaka M. Odu
Joseph Akor
Lovina A. Eze
Justus A. Nweze
Julius E. Nweze
Samuel I. Orjiocha
Daniel O. Ejembi
Ebuka L. Onyeyilim
Bennett C. Nwanguma

Abstract

In Nigeria, Parinari kerstingii, a member of the Chrysobalanaceae family, is frequently used as a medicinal plant and  is  thought  to  have  several  biological  properties.  This study aimed  to evaluate the in vitro antioxidant and anti-inflammatory properties of selected GC-MS bioactive constituent fractions of Parinari kerstingii leaf extract. Total antioxidant capacity (TAC) and nitric oxide radical scavenging assays (NORSA) were used to measure the extract’s antioxidant activity. In contrast, the fractions’ membrane stabilization potential and platelet aggregation inhibition properties were used to measure the extract’s in vitro anti-inflammatory activity. GC-MS characterizations of the crude extract identified bioactive constituents responsible for these activities. The results of the GC-MS analysis revealed that bioactive compounds with known anti-inflammatory and antioxidant properties, such as n-Hexadecanoic acid, phenol, 2,4-bis(1,1-dimethylethyl)-e.t.c. were found in the fractions. The extract significantly (p < 0.05) lowered radical-scavenging activities compared to the fractions at 100, 400, and 800 mg/ml concentrations. Avian (Chicken) erythrocyte membrane was significantly (p< 0.05) protected by various doses (100–800 μg/ml) of extracts against rupture initiated by heat and hypotonic solution (water). Also, platelet aggregation inhibition was exhibited when compared with fractions. In the entire test, the fractions provided no similar order in strengths, indicating the likely presence of various bioactive constituents for each evaluated biological activity. This preliminary in vitro investigation determined the antioxidant and anti-inflammatory characteristics of Parinari kerstingii leaf, which might be explored further in vivo for the potential use of the plant’s isolates as sources of naturally derived anti-inflammatory and antioxidant molecules.

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How to Cite
Odu, N. M., Akor, J., Eze, L. A., Nweze, J. A., Nweze, J. E., Orjiocha, S. I., Ejembi, D. O., Onyeyilim, E. L., & Nwanguma, B. C. (2023). Anti-inflammatory and Antioxidant Activities of Selected Fractions of Parinari kerstingii Leaf Extract: http://www.doi.org/10.26538/tjnpr/v7i10.35. Tropical Journal of Natural Product Research (TJNPR), 7(10), 4954-4960. https://tjnpr.org/index.php/home/article/view/2847
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Articles
Author Biographies

Joseph Akor, Department of Science Laboratory Technology, University of Nigeria Nsukka 410001 Nsukka, Nigeria.

Department of Chemistry, Missouri University of Science and Technology, Rolla, MO, 65409, USA.

Justus A. Nweze, Department of Science Laboratory Technology, University of Nigeria Nsukka 410001 Nsukka, Nigeria.

Department of Ecosystem Biology, Faculty of Science, University of South Bohemia, Ceske, Budejovice,Czech Republic.


Institute of Soil Biology and Biogeochemistry, Biology Centre, Czech Academy of Science, Ceske Budejovice, Czech Republic.

Julius E. Nweze, Department of Ecosystem Biology, Faculty of Science, University of South Bohemia, Ceske, Budejovice,Czech Republic.

Institute of Soil Biology and Biogeochemistry, Biology Centre, Czech Academy of Science, Ceske Budejovice, Czech Republic.

Ebuka L. Onyeyilim, Department of Chemistry, University of Nigeria Nsukka 410001 Nsukka, Nigeria.

Department of Chemistry, University of Iowa, Iowa City, IA 52242, USA.

How to Cite

Odu, N. M., Akor, J., Eze, L. A., Nweze, J. A., Nweze, J. E., Orjiocha, S. I., Ejembi, D. O., Onyeyilim, E. L., & Nwanguma, B. C. (2023). Anti-inflammatory and Antioxidant Activities of Selected Fractions of Parinari kerstingii Leaf Extract: http://www.doi.org/10.26538/tjnpr/v7i10.35. Tropical Journal of Natural Product Research (TJNPR), 7(10), 4954-4960. https://tjnpr.org/index.php/home/article/view/2847

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