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Volume 7, Issue 4

Antibacterial activity of and essential oils on multidrug-resistant zoonotic bacteria isolated from dogs in southern Benin Open Access

Abstract

Antibiotic resistance is a major public health problem. The search for new therapeutic alternatives is becoming urgent. Essential oils are a promising alternative. This study aimed to evaluate the antibacterial activities of essential oils from selected plants on multidrug-resistant zoonotic strains isolated from dogs. Essential oils from dried leaves, bark and seeds were extracted and tested on five multidrug-resistant and four isolated from dogs in southern Benin. The study showed that essential oil was bacteriostatic, with an MIC equal to 2.5 µl ml and a minimum bactericidal concentration (MBC) of 17 µl ml for strains and 11.25 µl ml for strains. Regarding essential oil, its bacteriostatic power was characterized by an MIC of 1.25 µl ml for the isolates tested and an average MBC of 11.50 µl ml for and 12.19 µl ml for . On the other hand, essential oil was ineffective on the strains investigated. Additionally, essential oil contained predominantly thymol (36.57%), p-cymene (30.51%) and carvacrol (7.62%), whilst essential oil contained cinnamaldehyde (88.76%). This study reveals the antibacterial activity of dry leaf and bark essential oils on multi-resistant and isolated from dogs. These two essential oils may be alternative candidates for combating antibiotic-resistant and infections.

  • Received:
  • Accepted:
  • Published Online:
Keyword(s): Benin , Cinnamomum verum , Escherichia coli , essential oils , Staphylococcus aureus and Thymus vulgaris
© 2025 The Authors
  • This is an open-access article distributed under the terms of the Creative Commons Attribution License.
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2025-04-28
2026-02-14

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/content/journal/acmi/10.1099/acmi.0.000975.v3
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Antibacterial activity of Cinnamomum verum and Thymus vulgaris essential oils on multidrug-resistant zoonotic bacteria isolated from dogs in southern Benin
Access Microbiology 7, 000975.v3 (2025); https://doi.org/10.1099/acmi.0.000975.v3
/content/journal/acmi/10.1099/acmi.0.000975.v3
/content/journal/acmi/10.1099/acmi.0.000975.v3
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