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Effect of non-thermal methods on the safety of strawberries (Fragaria anannassa) and watercress (Nasturtium officinale)

2006Conference object Open access
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dc.contributor.authorAlexandre, Elisabete M. C.
dc.contributor.authorSantos Pedro, Dora M.
dc.contributor.authorFundo, Joana F.
dc.contributor.authorBrandão, Teresa R. S.
dc.contributor.authorSilva, Cristina L. M.
dc.date.accessioned2011-10-15T12:27:49Z
dc.date.available2011-10-15T12:27:49Z
dc.date.issued2006
dc.description.abstractInnovative non-thermal technologies have been studied as an attempt to substitute thermal methods on fruits and vegetables processing. The objective was to study the effect of methods, such as ultrasonication, and its combination with a milder heat treatment (thermosonication), and UV-C irradiation on safety of strawberries and watercress. Thermosonication studies were carried out at 50ºC, 55ºC, 65ºC and room temperature. Control water washings, at the same temperatures, were also performed. Safety was assessed in terms of total mesophyles and total coliforms, respectively on strawberries and watercress samples. For total mesophyles, results showed that thermosonication carried out at 65ºC and water washing at 50ºC were the most efficient treatments in microbial reduction. Results from UV-C treatments were not conclusive. For total coliforms, the most efficient processes were thermosonication and water-washing at 55 ºC. Results from UV-C treatments were identical to the ones obtained by ultrasonication and water washing at room temperature.por
dc.identifier.citationALEXANDRE, E. M. C... [et al.] - Effect of non-thermal methods on the safety of strawberries (Fragaria anannassa) and watercress (Nasturtium officinale). In Central European Congress on Food (CEFood), 3, Sofia, Bulgaria, 22-24 May, 2006. 5 p. - Book of Abstracts of the 3rd Central European Congress on Food (CEFood). [S.l. : s.n., 2006]. 5 p.por
dc.identifier.urihttp://hdl.handle.net/10400.14/6199
dc.language.isoengpor
dc.peerreviewedyespor
dc.titleEffect of non-thermal methods on the safety of strawberries (Fragaria anannassa) and watercress (Nasturtium officinale)por
dc.typeconference object
dspace.entity.typePublication
person.familyNameAlexandre
person.familyNameFundo
person.familyNameBrandão
person.familyNameSilva
person.givenNameElisabete
person.givenNameJoana F.
person.givenNameTeresa
person.givenNameCristina
person.identifier1274614
person.identifierJ-9418-2012
person.identifier1473674
person.identifier.ciencia-idD012-E77D-309F
person.identifier.ciencia-idA11A-7819-9522
person.identifier.ciencia-id7B19-E23B-BB31
person.identifier.ciencia-id6611-634A-132C
person.identifier.orcid0000-0003-4175-2498
person.identifier.orcid0000-0002-9208-7443
person.identifier.orcid0000-0002-8857-6471
person.identifier.orcid0000-0002-0495-3955
person.identifier.ridK-9179-2013
person.identifier.ridE-9585-2015
person.identifier.ridJ-9418-2012
person.identifier.ridA-3568-2013
person.identifier.scopus-author-id24068634500
person.identifier.scopus-author-id6602174128
person.identifier.scopus-author-id7201387397
rcaap.rightsopenAccesspor
rcaap.typeconferenceObjectpor
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relation.isAuthorOfPublication.latestForDiscovery4e2903de-0679-4cb1-981e-10de14c0c995

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