Chemical composition and antibacterial activity of essential oils against pathogens often related to cattle endometritis

Renan Braga Paiano; Jeannine  Bonilla; Ricardo Luiz  Moro de Sousa; Andrea  Micke Moreno; Pietro  Sampaio Baruselli

doi:10.3855/jidc.12076

Chemical composition and antibacterial activity of essential oils against pathogens often related to cattle endometritis

Authors

Renan Braga Paiano Departamento de Reprodução Animal, Faculdade de Medicina Veterinária e Zootecnia, Universidade de São Paulo, Brazil
Jeannine Bonilla Departamento de Engenharia de Alimentos, Faculdade de Zootecnia e Engenharia de Alimentos, Universidade de São Paulo, Pirassununga, Brazil
Ricardo Luiz Moro de Sousa Departamento de Medicina Veterinária, Faculdade de Zootecnia e Engenharia de Alimentos, Universidade de São Paulo, Pirassununga, Brazil
Andrea Micke Moreno Departamento de Medicina Preventiva e Saúde Animal, Faculdade de Medicina Veterinária e Zootecnia, Universidade de São Paulo, São Paulo, Brazil
Pietro Sampaio Baruselli Departamento de Reprodução Animal, Faculdade de Medicina Veterinária e Zootecnia, Universidade de São Paulo, Brazil

DOI:

https://doi.org/10.3855/jidc.12076

Keywords:

Bovine endometritis, essential oils, antimicrobial activity, phytotherapy

Abstract

Introduction: Endometritis is a condition marked by inflammation of the endometrium that affects dairy cows from 21 days after parturition, causing damage to herd fertility and economic losses on farms. The use of active compounds obtained from plant sources has gained importance as disease treatment agents in farm animals due to the high resistance rates currently observed against traditional antibiotics commonly used. The study was carried out to examine the chemical composition and to investigate the antibacterial activity of rosemary, cinnamon, cloves, eucalyptus, lemon, oregano and thyme essential oils against the reference strain of Escherichia coli (ATCC 25922), Fusobacterium necrophorum (ATCC 25286), Trueperella pyogenes (ATCC 19411) and Staphylococcus aureus (ATCC 29213), considered as typical bacteria causing endometritis.

Methodology: The chemical composition of the seven essential oils were analyzed by GC-MS and their antibacterial activity was evaluated by the disc diffusion method.

Results: Thirty-six components were identified in total using GC-MS analyzes. The main compounds were cinnamaldehyde (86.5% for cinnamon essential oil), eugenol (85.7% for clove essential oil), 1,8-cineol (80% for eucalyptus and 47.8% rosemary essential oils), limonene (65.5% for lemon essential oil), carvacrol (72.1% for oregano essential oil) and thymol (48.8% for thyme essential oil). The disc diffusion assay revealed that cinnamon, clove, oregano, and thyme essential oils showed the best results compared to the other three essential oils, showing the largest zone of inhibition against all bacteria evaluated.

Conclusions: These findings indicated that essential oils are a potential agent to be used as an alternative for bovine endometritis treatment.

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Published

2020-02-29

How to Cite

Braga Paiano R, Bonilla J, Moro de Sousa RL, Micke Moreno A, Sampaio Baruselli P (2020) Chemical composition and antibacterial activity of essential oils against pathogens often related to cattle endometritis. J Infect Dev Ctries 14:177–183. doi: 10.3855/jidc.12076

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Issue

Vol. 14 No. 02: February 2020

Section

Original Articles

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