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dc.contributor.author
Fernández, Natalia Jorgelina
dc.contributor.author
Damiani, Natalia
dc.contributor.author
Podaza, Enrique Arturo
dc.contributor.author
Martucci, Josefa Fabiana
dc.contributor.author
Fasce, Diana Patricia
dc.contributor.author
Quiroz, Federico
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Meretta, Pablo Ezequiel
dc.contributor.author
Quintana, Silvina
dc.contributor.author
Eguaras, Martin Javier
dc.contributor.author
Gende, Liesel Brenda
dc.date.available
2020-01-10T13:36:31Z
dc.date.issued
2019-07
dc.identifier.citation
Fernández, Natalia Jorgelina; Damiani, Natalia; Podaza, Enrique Arturo; Martucci, Josefa Fabiana; Fasce, Diana Patricia; et al.; Laurus nobilis L. Extracts against Paenibacillus larvae: Antimicrobial activity, antioxidant capacity, hygienic behavior and colony strength; Elsevier; Saudi Journal of Biological Sciences; 26; 5; 7-2019; 906-912
dc.identifier.issn
1319-562X
dc.identifier.uri
http://hdl.handle.net/11336/94286
dc.description.abstract
The aim of this work was to compare the antimicrobial activity against Paenibacillus larvae and the antioxidant capacity of two Laurus nobilis L. extracts obtained by different extraction methods. The hydroalcoholic extract was moreover added as supplementary diet to bees in field conditions to test behavioural effects and colony strength. Both laurel extracts were subjected to different phytochemical analysis to identify their bioactive compounds. Antimicrobial activity was analyzed by the minimal inhibitory concentration (MIC) determination by means the agar dilution method. The hydroalcoholic extract (HE) was able to inhibit the bacterial growth of all P. larvae strains, with 580 µg/mL mean value. This better antibacterial activity in relation to the essential oil (EO) could be explained by the presence of some phenolic compounds, such as flavonoids, evidenced by characteristic bands resulting from the Fourier Transform Infrared Spectroscopy (FTIR) analysis. Antioxidant activities of the extracts were evaluated by 2,2-diphenyl-1-picrylhydrazyl (DPPH) free radical-scavenging ability and ferric reducing antioxidant power (FRAP) assays. The HE showed the highest antioxidant activity as measured by DPPH, with IC50 values of 257 ± 12 μg/mL. The FRAP assay method showed that the HE was 3-fold more effective reducing agent than the EO. When the bee colonies were supplied with laurel HE in sugar paste an improvement in their general condition was noticed, although neither the hygienic behavior nor the proportions of the breeding cells varied statistically due to the treatment. In conclusion, the inhibition power against P. larvae attributable to the phenolic compounds, the antioxidant capacity of the HE, and the non-lethal effects on adult honey bees on field trials suggest the HE of laurel as a promising substance for control American foulbrood disease.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Elsevier
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
ANTIMICROBIAL ACTIVITY
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ANTIOXIDANT CAPACITY
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APIS MELLIFERA
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COLONY STRENGTH
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HYGIENIC BEHAVIOR
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LAURUS NOBILIS
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PAENIBACILLUS LARVAE
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Otras Ciencias Veterinarias
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Ciencias Veterinarias
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CIENCIAS AGRÍCOLAS
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Otras Ciencias Veterinarias
dc.subject.classification
Ciencias Veterinarias
dc.subject.classification
CIENCIAS AGRÍCOLAS
dc.title
Laurus nobilis L. Extracts against Paenibacillus larvae: Antimicrobial activity, antioxidant capacity, hygienic behavior and colony strength
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2019-10-22T15:40:07Z
dc.journal.volume
26
dc.journal.number
5
dc.journal.pagination
906-912
dc.journal.pais
Arabia Saudita
dc.description.fil
Fil: Fernández, Natalia Jorgelina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de Mar del Plata. Facultad de Ciencias Exactas y Naturales; Argentina
dc.description.fil
Fil: Damiani, Natalia. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de Mar del Plata. Facultad de Ciencias Exactas y Naturales; Argentina
dc.description.fil
Fil: Podaza, Enrique Arturo. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
dc.description.fil
Fil: Martucci, Josefa Fabiana. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata. Instituto de Investigaciones en Ciencia y Tecnología de Materiales. Universidad Nacional de Mar del Plata. Facultad de Ingeniería. Instituto de Investigaciones en Ciencia y Tecnología de Materiales; Argentina
dc.description.fil
Fil: Fasce, Diana Patricia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata. Instituto de Investigaciones en Ciencia y Tecnología de Materiales. Universidad Nacional de Mar del Plata. Facultad de Ingeniería. Instituto de Investigaciones en Ciencia y Tecnología de Materiales; Argentina
dc.description.fil
Fil: Quiroz, Federico. Universidad Nacional de Mar del Plata. Facultad de Ciencias Exactas y Naturales; Argentina
dc.description.fil
Fil: Meretta, Pablo Ezequiel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata. Instituto de Investigaciones Marinas y Costeras. Universidad Nacional de Mar del Plata. Facultad de Ciencias Exactas y Naturales. Instituto de Investigaciones Marinas y Costeras; Argentina
dc.description.fil
Fil: Quintana, Silvina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Fares Taie Instituto de Análisis; Argentina
dc.description.fil
Fil: Eguaras, Martin Javier. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de Mar del Plata. Facultad de Ciencias Exactas y Naturales; Argentina
dc.description.fil
Fil: Gende, Liesel Brenda. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de Mar del Plata. Facultad de Ciencias Exactas y Naturales; Argentina
dc.journal.title
Saudi Journal of Biological Sciences
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S1319562X18300937
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1016/j.sjbs.2018.04.008
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