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Year : 2020  |  Volume : 4  |  Issue : 3  |  Page : 232-238

Antibacterial potential of neem (Azadirachta indica) against uropathogens producing beta-lactamase enzymes: A clue to future antibacterial agent?

1 Department of Microbiology, Santosh Medical College and Hospital, Ghaziabad, Uttar Pradesh, India
2 Department of Microbiology, Maharishi Markandeshwar Medical College and Hospital, Solan, Himachal Pradesh, India

Correspondence Address:
Prof. Dakshina Bisht
Department of Microbiology, Santosh Medical College and Hospital, Ghaziabad - 201 009, Uttar Pradesh
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/bbrj.bbrj_38_20

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Background: Emergence of drug resistance in Gram-negative bacilli due to production of extended-spectrum beta-lactamases (ESBL), metallo-beta-lactamases (MBL), and AmpC beta-lactamase is very common nowadays; therefore, we are left with less choice for antibiotics that is why we are in the need for the new alternatives. Hence, the current study was done to demonstrate antibacterial properties of neem (Azadirachta indica) leaves against ESBL, MBL, and AmpC beta-lactamase-producing Gram-negative uropathogens. Methods: Gram-negative uropathogens (221) were isolated and further tested for beta-lactamase (ESBL, MBL, and AmpC) production. Neem (A. indica) was tested for its antibacterial activity against all uropathogens. Results: Ethanolic extract of neem leaves showed good antibacterial activity against all isolates. Maximum zone of inhibitions and lowest minimum inhibitory concentration and minimum bactericidal concentration values were revealed by Acinetobacter baumannii. Conclusion: Extract of neem leaves at different concentrations showed potential antibacterial activity against both beta-lactamase-producing and nonproducing Gram-negative bacilli.

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