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Revista Cubana de Plantas Medicinales

versión On-line ISSN 1028-4796

Resumen

LAMBRECHT GONCALVES, Carolina et al. Antibacterial activity of essential oils of Cymbopogon citratus, Elionurus sp. and Tagetes minuta against bacteria that cause mastitis. Rev Cubana Plant Med [online]. 2013, vol.18, n.3, pp.487-494. ISSN 1028-4796.

Introduction: the inappropriate use of antimicrobials is a major driver of antimicrobial resistance. In veterinary medicine, this factor can influence on animal performance, as in the case of bovine mastitis. Objective: this study is aimed to evaluate the antibacterial activity of essential oils and hydroalcoholic of Cymbopogon citratus (DC.) Stapf., Elionurus sp. and Tagetes minuta L. and the bacteria isolated from bovine milk. Methods: the antimicrobial activity of plants was evaluated using the microdilution technique, determining minimum inhibitory concentration values. Results: the essential oils were more active than the hydroalcoholic, with minimum inhibitory concentration values between 6,32 to 0,39 %; 0,10 and 6,32 %; as well as 0,62 to 5 %, for Cymbopogon citratus, Elionurus and T. minuta, respectively; while EHAs, except for Tagetes minuta, only inhibited Streptococcus uberis to Elionurus sp., being that the hydroalcoholic the Cymbopogon citratus showed no antibacterial activity. Conclusions: these results suggest the use of these plants as natural antimicrobial, being effective against bacteria of bovine mastitis.

Palabras clave : antimicrobial; milk; plant bioactive; Cymbopogon citratus (DC.) Stapf.; Elionurus sp. Humb. & Bonpl. ex Willd; Tagetes minuta L..

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