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Encapsulation of probiotic strains in plain or cysteine-supplemented alginate improves viability at storage below freezing temperatures

2012Journal article Restricted access
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dc.contributor.authorSousa, Sérgio
dc.contributor.authorGomes, Ana M.
dc.contributor.authorPintado, Maria M.
dc.contributor.authorMalcata, Francisco X.
dc.contributor.authorSilva, José P.
dc.contributor.authorSousa, José M.
dc.contributor.authorCosta, Paulo
dc.contributor.authorAmaral, Maria H.
dc.contributor.authorRodrigues, Dina
dc.contributor.authorRocha-Santos, Teresa A. P.
dc.contributor.authorFreitas, Ana C.
dc.date.accessioned2013-01-28T13:46:35Z
dc.date.available2013-01-28T13:46:35Z
dc.date.issued2012
dc.description.abstractFour probiotic bacteria (Lactobacillus paracasei L26, L. casei-01, L. acidophilus Ki, and Bifidobacterium animalis BB-12 R ) were encapsulated in plain alginate or alginate supplemented with L-cysteine·HCl, and resulting microcapsules were stored at different temperatures, namely 21, 4, −20, or −80◦C for a period of up to6months. The results showed that the encapsulation in calcium alginate microcapsules was only effective in promoting protection at freezing temperatures, independently of the sensitivity of the strain. Storage of calcium alginate microcapsules at −80◦C indicated a protective effect upon viability of all four probiotic strains and the presence of L-cysteine·HCl in the alginate matrix improved protection upon cell viability of B. animalis BB-12 R . An increase in storage temperature of encapsulated bacteria caused an increase in rate of loss in their viability that was strain dependent. This study suggests that microencapsulation of probiotic cells in calcium alginate can be suitable for sustaining the viability of probiotics in food products that require storage below freezing temperatures, even in the absence of cryoprotectors, contributing to an increased shelf life.por
dc.description.versioninfo:eu-repo/semantics/publishedVersion
dc.identifier.citationSOUSA, Sérgio ...[et al.] - Encapsulation of probiotic strains in plain or cysteine-supplemented alginate improves viability at storage below freezing temperatures. Engineering in Life Sciences. ISSN 1618-2863. Vol. 12, n.º 4 (2012), p. 457–465por
dc.identifier.doi10.1002/elsc.201200007
dc.identifier.eissn1618-2863
dc.identifier.issn1618-0240
dc.identifier.urihttp://hdl.handle.net/10400.14/9991
dc.identifier.wosWOS:000307967400012
dc.language.isoengpor
dc.peerreviewedyespor
dc.publisherWileypor
dc.relationFCOMP-01-0124-FEDER-008792
dc.relationPROBIOCAPS - tailored microencaPsulation technology foR prOBIOtic baCteriA: Production, stability and functionality enhancementS in various carriers
dc.relationNEWFUNFOODS: NEW FUNCTIONAL FOODS WITH INGREDIENTS FROM MARINE AND MUSHROOMS SOURCES
dc.relationDEVELOPMENT OF MONITORING STRATEGIES FOR NANOAEROSOLS
dc.subjectAlginatepor
dc.subjectEncapsulationpor
dc.subjectEncapsulationpor
dc.subjectL-cysteine·HClpor
dc.subjectProbioticspor
dc.titleEncapsulation of probiotic strains in plain or cysteine-supplemented alginate improves viability at storage below freezing temperaturespor
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitlePROBIOCAPS - tailored microencaPsulation technology foR prOBIOtic baCteriA: Production, stability and functionality enhancementS in various carriers
oaire.awardTitleNEWFUNFOODS: NEW FUNCTIONAL FOODS WITH INGREDIENTS FROM MARINE AND MUSHROOMS SOURCES
oaire.awardTitleDEVELOPMENT OF MONITORING STRATEGIES FOR NANOAEROSOLS
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/5876-PPCDTI/PTDC%2FAGR-ALI%2F71051%2F2006/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT//SFRH%2FBPD%2F73781%2F2010/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/SFRH/SFRH%2FBD%2F77647%2F2011/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT//SFRH%2FBPD%2F65410%2F2009/PT
oaire.citation.endPage465
oaire.citation.issue4
oaire.citation.startPage457
oaire.citation.titleEngineering in Life Sciences
oaire.citation.volume12
oaire.fundingStream5876-PPCDTI
oaire.fundingStreamSFRH
person.familyNameSousa
person.familyNameGomes
person.familyNamePintado
person.familyNameMalcata
person.familyNameSilva
person.familyNameCardoso da Costa
person.familyNameAmaral
person.familyNameRodrigues
person.familyNameRocha-Santos
person.familyNameCardoso Freitas Lopes de Freitas
person.givenNameSérgio
person.givenNameAna Maria
person.givenNameMaria Manuela
person.givenNameFrancisco
person.givenNamePaulo
person.givenNamePaulo Jorge
person.givenNameMaria Helena
person.givenNameDina
person.givenNameTeresa
person.givenNameAna Cristina
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project.funder.identifierhttp://doi.org/10.13039/501100001871
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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
rcaap.rightsrestrictedAccesspor
rcaap.typearticlepor
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