Vol.5 , No. 1, Publication Date: Feb. 1, 2018, Page: 13-18
[1] | Ilesanmi Olajumoke, Department of Botany and Ecological studies, Faculty of Science, University of Uyo, Uyo, Nigeria. |
[2] | Esenowo Godwin J., Department of Botany and Ecological studies, Faculty of Science, University of Uyo, Uyo, Nigeria. |
[3] | Okon Okon Godwin, Department of Botany and Ecological studies, Faculty of Science, University of Uyo, Uyo, Nigeria. |
In this study, the phytochemical screening and anti-inflammatory activity of Eremomastax polysperma was investigated using the carrageenan. Carrageenan-induced rat paw edema is a widely used test to determine anti-inflammatory activity and constitutes a simple and routine animal model for evaluation of pain at the site of inflammation without any injury or damage to the inflamed paw. Qualitative phytochemical screening, Acute toxicity test (LD50) and inflammatory analysis were carried out. Results revealed Eremomastax polysperma contained alkaloids, tannins, saponins, terpenes, flavonoids, anthraquinones and cardiac glycosides. The ethanolic leaf extracts produced various degree of toxicity ranging from writhing, decreased respiration to mortality. The intensities of these effects were proportional to the dose administered. The intraperitoneal LD50 of E. polysperma was 4242.64 mg/kg. Toxicity analysis revealed that the leaves Eremomastax polysperma are non toxic at a particular dose. Administration of different percentages of ethanolic leaf extracts showed marked inhibition at different measured interval and extract of Eremomastax polysperma (1272.79 mg/kg) prevented the formation of edema induced by carrageenan, thus showing significant anti-inflammatory activity (p<0.05) and also inhibited the edema by 19.91% after 5h injection of noxious agent as compared to the control group. Also, ethanolic leaf extracts of leaves Eremomastax polysperma inhibited inflammation of hind paw edema of albino rats induced by carrageenan. The synergistic effect of saponin and flavonoid present in the plantwhich has been investigated to possess anti-inflammatory activity is suggested to have caused rapid inhibition of the edema of the hind paw induced by carrageenan. Therefore, the efficacy and efficiency of leaves of Eremomastax polysperma is recommended therapeutically, locally, traditionally and pharmaceutically for inhibition and treatment of inflammation.
Keywords
Acute Toxicity Test, Albino Rats, Carrageenan, Eremomastax polysperma, Paw Edema and Phytochemicals
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