Anti-bacterial activity of methanolic extracts of the aerial parts of Inulaviscosa l., from Guelma (Algeria)

Karima Ounaissia, Asma Nassar, Bouthaina Soltani, Salima Bennadja, Abdelghani Djahoudi


The objective assigned to the present study isthe evaluation of the antibacterialactivity of the methanolic extracts of the aerial parts of Inulaviscosa L. The antibacterial activity of the extracts is carried out by the diffusion method on agar medium vis-à-vis twenty three bacterial strains, chosen according to the traditional use of this species in Algeria: Bacillus cereus, Escherichia coli (ATCC22), Escherichia coli (BLSE), Escherichia coli (ciproR), Escherichia coli (mcr1), Klebsiellapneumoniae (C+), Klebsiellapneumoniae (C-), KlebsiellapneumoniaeNassey Marseille, Serratiasp, Salmonella sp, Pseudomonasaeruginosa (ATCC53), Pseudomonas sp, Pseudomonas aeruginosa (VIM21), Pseudomonas aeruginosa (VIM22), Acinetobacter (NDM1), Acinetobacter (OXA23), Staphylococcus aureus, Staphylococcus aureus (23), Staphylococcus aureus (13), Enterobacter cloacae (FOSR1), Enterobacter cloacae (FOSR2), Enterococcus faecalis(Vanc R), Enterococcus faecalis (ATCC12). Pseudomonas aeruginosa (ATCC53) was the most sensitive species followed by Pseudomonas sp. significant sensitivity was observed for the Klebsiellapneumoniae isolated in Marseille. However, Staphylococcus aureus was the most resistant to the extracts tested.


Inula viscosaL., Guelma, aerial part, methanolic extract, antibacterial effect

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