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Research Article Open access CC BY 4.0

Effects of the Anti-Inflammatory Properties of Bitter Leaf (Vernonia amygdalina) Ethanolic Extract on Streptocuccus Pyrogenes Induced Wister Rats

Unoh Florence Ben, Chinyere Osondu Anyanwu

Asian Journal of Biochemistry, Genetics and Molecular Biology · pp. 59–71 · Published 1 Sep 2024

10.9734/ajbgmb/2024/v16i9405

Abstract

Aim: To investigate the effectiveness of V. amygdalina leaf extract on the remediation of the cytological and physiological damages on albino rats caused by streptococcus pyogenes. Study Design: Randomized Controlled Trial (RCT) design with multiple treatment groups. Research was done at the department of Science Laboratory Technology, University of Calabar, Cross River state, between March 2023 and June 2023. Methodology: Bitter extract was obtained through Soxlet extraction, and screened for the presence of secondary metabolites using standard phytochemical screening procedures. A pure culture of S. pyogenes was gotten from Microbiology Laboratory University of Calabar. Thirty five albino rats (100-175g), obtained from the Pharmacology department, University of Calabar were placed in 7 groups (A-G). Rats in groups A-F each was injected with the bacterium, observed for five days. Group A-E rats were subsequently treated with 0g/200 ml, 20g/200 ml, 40g/200 ml, 60g/200 ml, and 100g/200ml crude extract of bitter leaf respectively. While group F was treated with standard antibiotics. 0.5ml Cefuroxime Axetil tablets usp was injected into the rats. Group G rats served as negative control. Results: Results showed the presence of alkaloids, acidic compounds, tannins, flavonoids and Saponins. Haematocrit increased slightly in group A-E (18.3-46.3%) treated with 0g/200ml, 20g/200ml, 40g/200 ml, 60g/200 ml, and 100g/200ml concentrations of the extract, respectively.  But more in group F (50.2%) that received antibiotics treatment, when compared with the control. Similar trend was observed for haemoglobin (Hb) values (15.3g/dl) and red blood cell (RBC) counts (3.0 x1012/l) that increased with increasing concentration of 100g/200ml extract treatment and antibiotics treatment (Hb = 15.7g/dl; RBC = 3.3 x1012/l) respectively. The white blood cell counts decreased with antibiotic treatment. Conclusion: Study established that in vivo administration of bitter leaf extract on albino rats was best at 60g/200 ml, and 100g/200ml in ameliorating haematotoxicity caused by S. pyogenes.

Cytological in vivo physiological Vernonia amygdalina remediation Streptococcus pyogenes wister rat

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