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October 8, 2025BERKALA SAINSTEKOpen Access

Comparison of Types of Etanol Solvents, Antibacterial Test Methods, and Bacterial Inoculation Techniques used to Determine The Antibacterial Activity of Turmeric Rhizome Ethanol Extract Against Escherichia coli

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Authors

ESEndang SoesetyaningsihAAAzizah Azizah

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Overview

This analysis reveals how ethanol type and test methods impact the antibacterial activity of turmeric extract against Escherichia coli.

Key Points

  • The ethanol extract of turmeric effectively inhibits E. coli growth under various test conditions.
  • The largest average inhibition zone of 29.82 mm was observed using the PA_C_SP treatment with 99% ethanol.
  • The disc diffusion method yielded a greater inhibition zone compared to the well diffusion method.
  • Inoculation techniques also influenced results, with the spread plate technique outperforming the pour plate technique.

Cite This Study

Soesetyaningsih et al. (2025) studied this question.

synapsesocial.com/papers/68e5c1c76950a706b22b5fa3https://doi.org/10.19184/bst.v13i3.46865
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Also Consider

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  1. 1Antimicrobial Activity of Turmeric (Curcuma longa) and Ginger (Zingiber officinale) Extracts Against Escherichia coli2026
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  3. 3Antibacterial Activity of Endophytic Fungi Isolated from Turmeric Plants (Curcuma longa L.) Against Staphylococcus aureus and Escherichia coli2024
  4. 4Chemical Composition of Turmeric (Curcuma longa L.) Ethanol Extract and Its Antimicrobial Activities and Free Radical Scavenging Capacities2024 · 51 citations
  5. 5Evaluation of Antibacterial Activity of Curcuma Longa (Turmeric) Extract Against Escherichia Coli and Staphylococcus Aureus2024 · 3 citations