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Lactobacillus reuteri growth and fermentation under high pressure towards the production of 1,3-propanediol

2018Journal article Restricted access
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dc.contributor.authorMota, Maria J.
dc.contributor.authorLopes, Rita P.
dc.contributor.authorSousa, Sérgio
dc.contributor.authorGomes, Ana M.
dc.contributor.authorDelgadillo, Ivonne
dc.contributor.authorSaraiva, Jorge A.
dc.date.accessioned2018-09-17T16:29:59Z
dc.date.available2018-09-17T16:29:59Z
dc.date.issued2018
dc.description.abstractLactobacillus reuteri is a lactic acid bacterium able to produce several relevant bio-based compounds, including 1,3-propanediol (1,3-PDO), a compound used in food industry for a wide range of purposes. The performance of fermentations under high pressure (HP) is a novel strategy for stimulation of microbial growth and possible improvement of fermentation processes. Therefore, the present work intended to evaluate the effects of HP (10–35 MPa) on L. reuteri growth and glycerol/glucose co-fermentation, particularly on 1,3-PDO production. Two different types of samples were used: with or without acetate added in the culture medium. The production of 1,3-PDO was stimulated at 10 MPa, resulting in enhanced final titers, yields and productivities, compared to 0.1 MPa. The highest 1,3-PDO titer (4.21 g L−1) was obtained in the presence of acetate at 10 MPa, representing yield and productivity improvements of ≈ 11 and 12%, respectively, relatively to the same samples at 0.1 MPa. In the absence of acetate, 1,3-PDO titer and productivity were similar to 0.1 MPa, but the yield increased≈26%. High pressure also affected the formation of by-products (lactate, acetate and ethanol) and, as a consequence, higher molar ratios 1,3-PDO:by-products were achieved at 10 MPa, regardless of the presence/absence of acetate. This indicates a metabolic shift, with modification of product selectivity towards production of 1,3-PDO. Overall, this work suggests that HP can be a useful tool to improve of 1,3-PDO production from glycerol by L. reuteri, even if proper process optimization and scale-up are still needed to allow its industrial application. It also opens the possibility of using this technology to stimulate other glycerol fermentations processes that are relevant for food science and biotechnology.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationMota, M.J., Lopes, R.L., Sousa, S., Gomes, A.M., Delgadillo, I., Saraiva, J.A. (2018). Lactobacillus reuteri growth and fermentation under high pressure towards the production of 1,3-propanediol. Food Research International, 113, 424-432pt_PT
dc.identifier.doi10.1016/j.foodres.2018.07.034pt_PT
dc.identifier.eid85050735062
dc.identifier.eissn1873-7145
dc.identifier.issn0963-9969
dc.identifier.pmid30195537
dc.identifier.urihttp://hdl.handle.net/10400.14/25704
dc.identifier.wos000446288800043
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherElsevierpt_PT
dc.relationNorte-01-0145-FEDER-000011-RL1–QUALIFOODpt_PT
dc.relationIMPROVED MICROBIAL FERMENTATION OF GLYCEROL FOR PRODUCTION OF NEW VALUE-ADDED PRODUCTS UNDER HIGH PRESSURE
dc.relationYOGURT PRODUCTION UNDER HIGH PRESSURE FOR POSSIBLE IMPROVEMENT OF THE PROCESS AND CREATION OF A NOVEL, SENSORIAL UNIQUE AND HIGHER FUNCTIONAL ACTIVITY TYPE OF YOGURT
dc.relationFunctional compounds from microalgal stress modulation: from production to gut microbiota modification
dc.subjectFermentationpt_PT
dc.subjectGlycerolpt_PT
dc.subject1,3-propanediolpt_PT
dc.subjectLactic acid bacteriapt_PT
dc.subjectStresspt_PT
dc.subjectHigh pressurept_PT
dc.titleLactobacillus reuteri growth and fermentation under high pressure towards the production of 1,3-propanediolpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleIMPROVED MICROBIAL FERMENTATION OF GLYCEROL FOR PRODUCTION OF NEW VALUE-ADDED PRODUCTS UNDER HIGH PRESSURE
oaire.awardTitleYOGURT PRODUCTION UNDER HIGH PRESSURE FOR POSSIBLE IMPROVEMENT OF THE PROCESS AND CREATION OF A NOVEL, SENSORIAL UNIQUE AND HIGHER FUNCTIONAL ACTIVITY TYPE OF YOGURT
oaire.awardTitleFunctional compounds from microalgal stress modulation: from production to gut microbiota modification
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/5876/UID%2FQUI%2F00062%2F2013/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/FARH/SFRH%2FBD%2F97061%2F2013/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT//SFRH%2FBD%2F97062%2F2013/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT//SFRH%2FBD%2F105304%2F2014/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/5876/UID%2FMulti%2F50016%2F2013/PT
oaire.citation.titleFood Research Internationalpt_PT
oaire.citation.volume113
oaire.fundingStream5876
oaire.fundingStreamFARH
oaire.fundingStream5876
person.familyNameMota
person.familyNameSousa
person.familyNameGomes
person.familyNameDelgadillo
person.familyNameSaraiva
person.givenNameMaria
person.givenNameSérgio
person.givenNameAna Maria
person.givenNameIvonne
person.givenNameJorge
person.identifier162628
person.identifier.ciencia-id3C1B-F931-449D
person.identifier.ciencia-idF11D-362D-1EFD
person.identifier.ciencia-idAA12-BFC1-B2E3
person.identifier.ciencia-idEC16-41A3-01BD
person.identifier.orcid0000-0002-8593-9855
person.identifier.orcid0000-0001-6205-1266
person.identifier.orcid0000-0001-7883-2446
person.identifier.orcid0000-0001-8589-8806
person.identifier.orcid0000-0002-5536-6056
person.identifier.ridB-9944-2013
person.identifier.ridL-4431-2014
person.identifier.scopus-author-id55794159400
person.identifier.scopus-author-id55649569791
person.identifier.scopus-author-id57190668768
person.identifier.scopus-author-id55333765400
person.identifier.scopus-author-id35583570500
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsrestrictedAccesspt_PT
rcaap.typearticlept_PT
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