Fig. (1) Antibacterial potential of ethyl acetate extract of N. tabacum L. The activity index was calculated as mm² area based on the diameter of halo displayed. [PA- P. aeruginosa; KP- K. pneumonia; SA- S. aureus; CSA- clinical S. aureus; SE- Salmonella enterica subsp. enteric serotype Typhi; MS- Micrococcus sp.; PM- P. mirabilis; BKS- biofilm forming Klebsiella sp.; BEC- Biofilm forming E. coli