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August 6, 2025Open Access

In Vitro Antibacterial Evaluation of Leaf Extracts of Medicinal Plants in the Treatment of Escherichia coli, Klebsiella pneumoniae, and Salmonella Calve Diarrhea

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Authors

NTNejib Getahun TadesseBFBruk Abraha FitwiAHAdem Hiko

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Overview

In vitro tests reveal that various medicinal plant extracts demonstrate antibacterial activity against Escherichia coli and Klebsiella pneumoniae, implying their potential as alternative antimicrobial agents.

Key Points

  • Vernonia amygdalina extracts showed the highest antibacterial efficacy against Escherichia coli and Salmonella.
  • The minimum inhibitory concentration for E. coli was 6.09 mg/ml, indicating strong antibacterial properties of the leaf extracts.
  • Kalpurnia aurea and Vernonia amygdalina contained all tested secondary metabolites, except cardiac glycosides.
  • Plant-based extracts could serve as alternative antimicrobial agents, particularly against resistant strains of bacteria.

Cite This Study

Tadesse et al. (2025) studied this question.

synapsesocial.com/papers/689523d29f4f1c896c42a044https://doi.org/10.20944/preprints202508.0252.v1
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Phytochemicals Composition and Anti-bacterial Activity of Methanol Leaves Extract of Vernonia amygdalina2025
  2. 2Assessment of Antibacterial Properties of Methanolic Leaf Extracts and Their Fractions from Beninese Medicinal Plants2025
  3. 3Antimicrobial Activity of Vernonia amygdalina Leaves Aqeuous Extracts against Multidru-resistant Bacterial Isolates from Poultry Chickens in Bauchi Metropolis2025 · 1 citations
  4. 4Antibacterial Potential of Plant Extracts against Foodborne Pathogenic Bacteria: A Phytochemical and Bioactive Analysis2025
  5. 5Synergistic Antibacterial Effects of Leaf Extracts of Acacia nilotica and Psidium guajava against Extended Spectrum Beta Lactamase (ESBL) Producing E. coli and Klebsiella pneumoniae2024