Chemical composition ofLippiaLinn. (Verbenaceae) essential oils and their antibacterial potential againstAeromonasspp. isolates fromColossoma macropomum / Cláudia Majolo, Humberto Ribeiro Bizzo, Franmir Rodrigues Brandão, Ana Maria Souza da Silva, Edsandra Campos Chagas, Francisco Célio Maia Chaves, Aleksander Westphal Muniz
ABSTRACT The aim of this study was to determine the chemical composition of Lippia alba and two genotypes of L. origanoides, L. origanoides A and L. origanoides B (syn. Lippia sidoides ) essential oils(EOs) and to investigate the antibacterial activity against 27 Aeromonas spp. isolated from tambaqui ( Colossoma macropomum ). The activity of the antibiotics Florfenicol and Oxytetracycline was also compared. The EOs were obtained by hydrodistillation and their composition determined by CG-MS. Antibacterial activity was assessed based in the minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC) using microdilution method. The main compounds identified were carvone (55.9%) and limonene (21.9%) in L. alba EO, carvacrol (35.6%) and p ‐cymene (15.7%) in L. origanoides A EO and thymol (53.5%) and p ‐cymene (15.5%) in L. origanoides B EO. The Lippia species showed bacteriostatic and bactericidal action against Aeromonas isolates with MICs and MBCs ranging from 104.17 to 16,666.67 μg.mL −1 . Among the tested EOs, the best performance was obtained by that of the L. origanoides B genotype, followed by L. origanoides A and L. alba respectively. Among antibiotics, the best performance was of oxytetracycline (MICs and MBCs ranging from 0.195 to 0.78 μg.mL −1 ) compared to florfenicol (MICs and MBCs ranging from 0.195 to 3.12 μg.mL −1 ).
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2022 |
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| Erschienen: |
2022 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:34 |
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| Enthalten in: |
The Journal of essential oil research - 34(2022), 3, Seite 251-261 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Majolo, Cláudia [VerfasserIn] |
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| Links: |
FID Access [lizenzpflichtig] |
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| Themen: |
Florfenicol |
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| Umfang: |
1 Online-Ressource (11 p) |
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| doi: |
10.1080/10412905.2022.2036642 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 520 | |a ABSTRACT The aim of this study was to determine the chemical composition of Lippia alba and two genotypes of L. origanoides, L. origanoides A and L. origanoides B (syn. Lippia sidoides ) essential oils(EOs) and to investigate the antibacterial activity against 27 Aeromonas spp. isolated from tambaqui ( Colossoma macropomum ). The activity of the antibiotics Florfenicol and Oxytetracycline was also compared. The EOs were obtained by hydrodistillation and their composition determined by CG-MS. Antibacterial activity was assessed based in the minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC) using microdilution method. The main compounds identified were carvone (55.9%) and limonene (21.9%) in L. alba EO, carvacrol (35.6%) and p ‐cymene (15.7%) in L. origanoides A EO and thymol (53.5%) and p ‐cymene (15.5%) in L. origanoides B EO. The Lippia species showed bacteriostatic and bactericidal action against Aeromonas isolates with MICs and MBCs ranging from 104.17 to 16,666.67 μg.mL −1 . Among the tested EOs, the best performance was obtained by that of the L. origanoides B genotype, followed by L. origanoides A and L. alba respectively. Among antibiotics, the best performance was of oxytetracycline (MICs and MBCs ranging from 0.195 to 0.78 μg.mL −1 ) compared to florfenicol (MICs and MBCs ranging from 0.195 to 3.12 μg.mL −1 ) | ||
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