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dc.contributor.author
Bustos, Ana Yanina
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dc.contributor.author
Font, Graciela Maria
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dc.contributor.author
Gerez, Carla Luciana
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dc.date.available
2019-11-21T15:28:41Z
dc.date.issued
2018-05
dc.identifier.citation
Bustos, Ana Yanina; Font, Graciela Maria; Gerez, Carla Luciana; Optimization of phenyllactic acid production by pediococcus acidilactici CRL 1753. Application of the formulated bio-preserver culture in breads; Elsevier; Biological Control; 123; 5-2018; 137-143
dc.identifier.issn
1049-9644
dc.identifier.uri
http://hdl.handle.net/11336/89397
dc.description.abstract
Phenyl lactic acid (PLA) is an antimicrobial agent with a broad antimicrobial spectrumproduced mainly by lactic acidbacteria. This study focused in the optimization of a low-cost medium to obtain biomass and PLA production by Pediococcus (Ped.) acidilacticiCRL 1753 strain and propose its use as a liquid bio-preserver in bread makingto increase the shelf life of wheat bread. First, theactivity of CRL 1753 strain against filamentous fungi and yeastswas study and a wide antifungal inhibitory spectrum was observed. Using a factorial design 29-5 an optimized and low-cost medium (10 g/L meat peptone, 5 g/L yeast extract, 10 g/L glucose, 0.0038 g/L MnSO4, 6 g/L H3PO4 and initial pH = 7.0) that could replace MRSwas obtained. A significant increase in shelf life was observed when calcium propionate (CP) and CRL 1753 strain were combined into the bread formulation. In fact, at 18 days of storage none moulds were observed when the liquid bio-preserver was added while 70 % of bread were spoilage with CP alone.In this work we report for the first time the obtaining of an optimized low-cost culture medium for biomass and PLA production by Ped. acidilacticistrain.Additionally, the ability of the bio-preserver to guarantee the microbiological safety of packed bread was demonstrated.The results obtained could be very useful as a basis to design new strategies that allow improve the PLA production at a low cost.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Elsevier
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dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
ANTIFUNGAL ACTIVITY
dc.subject
LOW-COST MEDIUM
dc.subject
OPTIMIZATION
dc.subject
PEDIOCOCCUS ACIDILACTICI CRL 1753
dc.subject
PHENYLLACTIC ACID
dc.subject.classification
Biología Celular, Microbiología
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dc.subject.classification
Ciencias Biológicas
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.title
Optimization of phenyllactic acid production by pediococcus acidilactici CRL 1753. Application of the formulated bio-preserver culture in breads
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2019-10-10T14:57:26Z
dc.journal.volume
123
dc.journal.pagination
137-143
dc.journal.pais
Estados Unidos
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dc.journal.ciudad
Amsterdam
dc.description.fil
Fil: Bustos, Ana Yanina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro de Investigaciones y Transferencia de Santiago del Estero. Universidad Nacional de Santiago del Estero. Centro de Investigaciones y Transferencia de Santiago del Estero; Argentina
dc.description.fil
Fil: Font, Graciela Maria. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Tucumán. Centro de Referencia para Lactobacilos; Argentina
dc.description.fil
Fil: Gerez, Carla Luciana. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Tucumán. Centro de Referencia para Lactobacilos; Argentina
dc.journal.title
Biological Control
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/https://dx.doi.org/10.1016/j.biocontrol.2018.05.017
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://linkinghub.elsevier.com/retrieve/pii/S1049964418303670
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