MA ABDAWE, Bah Mohamed Lemine, H ER-RAIOUI, Laglaoui Amine, BAKRIM Hanane and Mohamed Vadel DEIDA

Jatropha chevalieri beille's foliage possesses haemostatic and vulnerary properties, capable of stopping bleeding by being applied directly onto wounds. Recently, the identification of novel antimicrobial phytoconstituents has become increasingly imperative. The pursuit of new sources of natural antioxidants, antimicrobials, and antifungal agents is of utmost importance. In this study, we explore the antioxidant, antimicrobial, and antifungal activity of methanol fractions derived from Jatropha chevalieri beille.
We conducted a test for antimicrobial activity on a range of clinical isolates. We tested Gram-positive strains such as Listeria monocytogenes ATCC9144, Staphylococcus aureus and Salmonella typhimurium ATCC14028, as well as Gram-negative strains including Escherichia coli ATCC25922 and Pseudomonas aeruginosa. Additionally, we tested for antifungal activity against Fusarium oxysporum and assessed antioxidant activity using the 2, 2-diphenyl-1-picrylhydrazyl (DPPH) free radical scavenging method.
A significant discovery was made in the methanol extract of Jatropha chevalieri beille as it contained various secondary metabolites including flavonoids, polyphenols, saponins, and tannins. Furthermore, this extract demonstrated strong potential in terms of antioxidant, antimicrobial, and antifungal properties.
Our results indicate that the methanol fraction derived from Jatropha chevalieri Beille is highly effective in combatting Escherichia coli ATCC25922, Salmonella typhimurium ATCC14028, and Staphylococcus aureus, and shows potential as an excellent agent for combating fusarium fungi. Moreover, this fraction displayed the greatest antioxidant activity, likely resulting from the presence of secondary metabolites. Additional research should be conducted to better identify and characterize these compounds and their biological activity.

DOI: 10.22271/phyto.2023.v12.i5d.14746

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