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09:07
The Effect of the Application of Thyme Essential Oil on Microbial Load During Meat Drying
Published on: March 14, 2018
Effect of some essential oils on microorganisms.
1Department of Microbiology, Dr. R. M. L. Avadh University, Faizabad 224 001, India.
Hindustan Antibiotics Bulletin
|September 12, 2006
Summary
Four essential oils demonstrated significant antimicrobial activity against pathogenic bacteria and fungi. Higher concentrations (1000 ppm) showed increased inhibition, though some strains exhibited resistance.
Area of Science:
- Phytochemistry
- Microbiology
- Antimicrobial Agents
Background:
- Essential oils are natural compounds with potential therapeutic applications.
- Pathogenic bacteria and fungi pose significant health risks, necessitating novel antimicrobial strategies.
- Investigating plant-derived compounds offers a promising avenue for discovering new treatments.
Purpose of the Study:
- To evaluate the antimicrobial efficacy of Cardiaca Oil, Mentha Oil, Artemisia Oil, and Geranium Oil.
- To determine the activity spectrum of these essential oils against various pathogenic bacterial and fungal strains.
- To assess the dose-dependent inhibitory effects of the essential oils.
Main Methods:
- Essential oils were tested against pathogenic microbial strains.
- Inhibition zones were measured at two different concentrations (1000 ppm and 500 ppm).
- Comparative analysis of antimicrobial activity was performed across different oils and microbial species.
Main Results:
- All tested essential oils exhibited significant antimicrobial activity against most tested microorganisms.
- A notable increase in inhibition was observed at 1000 ppm compared to 500 ppm, approximately 1 to 2 folds.
- Staphylococcus epidermidis demonstrated resistance to all oils at both concentrations, while Mycobacterium smegmatis and Streptococcus mutans showed higher susceptibility.
Conclusions:
- Cardiaca Oil, Mentha Oil, Artemisia Oil, and Geranium Oil possess broad-spectrum antimicrobial properties.
- The antimicrobial activity of these essential oils is concentration-dependent.
- Further research into these essential oils could lead to the development of new antimicrobial agents, particularly for resistant strains.
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