In vitro anthelmintic activity of Lippia gracilis Schauer essential oil against egg-hatching of goat gastrointestinal nematodes

  • Souza A
  • Rebouças C
  • Albuquerque C
  • et al.
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Abstract

ABSTRACT Since drug-resistant nematodes became a common problem in sheep and goat industries, alternative methods using natural products have emerged as a viable and sustainable anthelmintic treatment option. Here, the in vitro effect of essential oil extracted from Lippia gracilis Schauer was assessed on the hatching process of nematodes recovered from naturally infected goats. Essential oil at concentrations of 0.08% (0.008 μL/mL), 0.12% (0.012 μL/mL), and 0.16% (0.016 μL/mL) was able to induce an average inhibition of 74.7, 84 and 93%, respectively. The effective concentration required to inhibit egg hatching in 50% of eggs (EC50) was 0.03452%. Therefore, essential oil of L. gracilis showed promisor in vitro anthelmintic results against egg-hatching of goat gastrointestinal nematodes.RESUMO Como os nematoides resistentes a drogas se tornaram um problema comum nas indústrias de ovinos e caprinos, métodos alternativos que utilizam produtos naturais surgiram como uma opção de tratamento anti-helmíntico viável e sustentável. Aqui, o efeito in vitro do óleo essencial extraído de Lippia gracilis Schauer foi avaliado no processo de eclosão de nematoides recuperados de caprinos naturalmente infectadas. O óleo essencial nas concentrações de 0,08% (0,008 μL/mL), 0,12% (0,012 μL/mL), e 0,16% (0,016 μL/mL)foi capaz de induzir uma inibição média de 74,7, 84 e 93%, respectivamente. A concentração efetiva necessária para inibir a eclosão de ovos em 50% dos ovos (CE50) foi de 0,03452%. Portanto, o óleo essencial de L. gracilis apresentou resultados anti-helmínticos in vitro promissores contra a eclosão de nematódeos gastrintestinais de caprinos.

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Souza, A. L. da C., Rebouças, C. K. de O., Albuquerque, C. C. de, Moura, C. de C. F. L., Torres, T. M., Batista, J. I. L., … Bezerra, A. C. D. S. (2020). In vitro anthelmintic activity of Lippia gracilis Schauer essential oil against egg-hatching of goat gastrointestinal nematodes. Arquivos Do Instituto Biológico, 87. https://doi.org/10.1590/1808-1657000522019

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