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Phytochemical Analysis and Antibacterial Activity of Extract From Lantana Camara L. Leaves

Article scientifique 2021 Anglais

Résumé

Abstract Background: Currently, several studies are being conducted to test antibacterial activity of various medicinal plants, in attempt to develop new antibiotics or to potentiate the action of antibiotics of known clinical use. In this research, phytochemical analysis and in vitro antibacterial activity of leaf extracts of Lantana camara L were performed.The extracts were obtained through maceration with 90% ethanol. In phytochemical analysis, alkaloids, flavonoids, tannins and saponins were identified using specific reagents for each class.The antibacterial activity was analyzed using the disk diffusion method according to Kirby-Bauer, against Escherichia coli and Staphylococus aureus. Results: The diameters of the inhibition halos varied between 0.7 and 12 mm, with an average of 8.26 mm for strains of S. aureus and there was no inhibition for E. coli. The results showed a significant difference between the inhibition halos and the tested concentrations for S. aureus. Conclusions: L. camara leaf extracts are rich in bioactive compounds and have a good antibacterial potential against S. aureus and not for E. coli. And there was no relationship between the concentration of the extract and the diameter of the halo of inhibition of the evaluated microorganism.

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Lourenço, B., Kiza, A., João, A., Niconte, C., Vintuar, P., Gwembe, E., CUINICA, L. (2021). Phytochemical Analysis and Antibacterial Activity of Extract From Lantana Camara L. Leaves. https://doi.org/10.21203/rs.3.rs-156702/v1

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Auteur(s)

Bondy Jorge Lourenço Asimbawe Kiza Abrão Amândio João Clemência Félix Odala Niconte POMPÍLIO ARMANDO Vintuar Eusébio André Pedro Gwembe LÁZARO GONÇALVES CUINICA

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