What question did this study set out to answer?

The study aims to evaluate the antimicrobial activities of clove essential oil and oleoresin against Escherichia coli and Salmonella spp.

Inhibitory Effect of Essential Oil and Oleoresin of Clove (Syzygium aromaticum) on Food-Borne Escherichia coli and Salmonella spp.

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Demonstrates clove essential oil's ability to inhibit foodborne pathogens in contaminated foods, suggesting its potential as a natural preservative.

The study aims to evaluate the antimicrobial activities of clove essential oil and oleoresin against Escherichia coli and Salmonella spp.
Analyzed essential oil and oleoresin using gas chromatography-mass spectrometry
Assessed antibacterial efficacy using minimum inhibitory concentration and minimum bactericidal concentration assays
Conducted time-kill analysis to evaluate bactericidal effects
Examined morphological changes in pathogens
Tested clove essential oil in artificially contaminated food matrices
Clove essential oil showed greater antibacterial potency than oleoresin
Up to 80% inhibition of biofilm formation by clove essential oil compared to 60% by oleoresin
Clove essential oil caused a 2-log reduction in Salmonella spp. and a 1-log reduction in E. coli in food samples
Essential oil influenced virulence gene expression, reducing pathogenicity of both bacteria

Aditya et al. (2026) studied this question.

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Demonstrates clove essential oil's ability to inhibit foodborne pathogens in contaminated foods, suggesting its potential as a natural preservative.