Evaluation of the Anti-Inflammatory and Antioxidant Properties of Flavonoid-Rich Seed Extract of Buchholzia coriacea Engler (Capparaceae)

Osmund C. Enechi1, Emmanuel S. Okeke1,2,4*, Ogechukwu N. Isiogugu3, Bravo U. Umeh5, Chukwuebuka G. Eze6, Stephen C. Emencheta 4,7*, Timothy P. Ezeorba1, Chibueze Izuchukwu1, Ndidiamaka C. Agbo1, Linda Ugwu1, Chisom V. Iloh7
1Department of Biochemistry, University of Nigeria, Nsukka, Enugu State Nigeria
2Natural Science Unit, School of General Studies, University of Nigeria, Nsukka, Enugu State Nigeria
3Department of Pharmacology and Toxicology, Faculty of Pharmaceutical Sciences, University of Nigeria, Nsukka
4School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang 212013, PRC
5Department of Genetics and Biotechnology, University of Nigeria, Nsukka, Enugu State Nigeria
6Institute of Biological, Environmental and Rural Science, Aberystwyth University, Wales, United Kingdom
7Pharmaceutical Microbiology and Biotechnology, Faculty of Pharmaceutical Sciences, University of Nigeria, Nsukka



Corresponding Author: [email protected]; [email protected]; Tel: +2348035277554 ; +2348140477129
Recieved Date: 11 September 2022; Accepted Date: 19 October 2022; Published Date: 01 November
Citation:
Enechi OC, Okeke ES, Isiogugu ON, Umeh BU, Eze CG, Emencheta SC, Ezeorba P, Izuchukwu C, Agbo NC, Ugwu L, Iloh CV. Evaluation of the Anti-Inflammatory and Antioxidant Properties of Flavonoid-Rich Seed Extract of Buchholzia coriacea Engler (Capparaceae). Trop J Nat Prod Res. 2022; 6(10):1727-1732. http://www.doi.org/10.26538/tjnpr/v6i10.29 


http://www.doi.org/10.26538/tjnpr/v6i10.29
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© 2022 Enechi et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
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ABSTRACT

The anti-inflammatory and antioxidant potentials of the Buchholzia coriacea seed flavonoid-rich extract were evaluated. The in vitro anti-inflammatory studies for the extract were done using protease inhibition activity, membrane stabilization, and albumin denaturation inhibition assays, and the antioxidant activity was performed via determination of hydrogen peroxide (H2O2), nitric oxide (NO) and 2-2-diphenyl-1-picrylhydrazyl (DPPH) scavenging activity assays as well as its total antioxidant capacity. The ethanol flavonoid-rich extract of B. coriacea seed (10 – 50 µg/ml) effectively inhibited the denaturation of albumin. The inhibition by the extract was concentration-dependent, with 10 µg/ml having an inhibition of 37.30 % and 50 µg/ml with the highest inhibition of 73.41%. The inhibitory ability of the extract on protease increased significantly (p<0.05) with increasing concentration. The extract at 50 µg/ml showed the highest inhibition of 50.08% compared to the standard drug at the same concentration, with inhibition of 39.54%. The flavonoid-rich extract of the seeds of B. coriacea, like indomethacin, significantly (p<0.05) protected the human erythrocyte membrane against lyses induced by hypotonic solution when compared to the control. The plant extract at different concentrations significantly (p?0.05) inhibited the oxidative stress caused by H2O2, DPPH, and NO radicals compared to the control. The extract demonstrated a good antioxidant capacity and thus could be employed as an antioxidant. The results obtained for the extracts in vitro anti-inflammatory, and antioxidant activities could be why it is used in folkloric medicine.

Keywords: Albumin Denaturation, Anti-Inflammatory, Antioxidant, Hydrogen Peroxide.
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ISSN: 2616-0684 (Print)
ISSN: 2616-0692 (Online)
DOI: 10.26538/tjnpr
Index Copernicus Value (ICV) for 2017: 59.83
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