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Statistical approaches for the design of sampling plans for microbiological monitoring of foods

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dc.contributor.authorGonzales-Barron, Ursula
dc.contributor.authorCadavez, Vasco
dc.contributor.authorButler, Francis
dc.date.accessioned2018-01-25T10:00:00Z
dc.date.accessioned2018-02-02T10:29:52Z
dc.date.available2018-01-25T10:00:00Z
dc.date.available2018-02-02T10:29:52Z
dc.date.issued2013
dc.description.abstractSampling and testing for microorganisms in foods is a risk management strategy used to evaluate whether a food safety system achieves the appropriate level of control. Sampling plans can be derived to meet the consumer's and/or producer's quality requirements, and have been traditionally designed using classical acceptance sampling theory. This chapter describes in detail and illustrates the methodologies to derive the different type of sampling plans used for microbiological criteria in foods; namely, the two-class (based on prevalence, on concentrations, and with an enrichment step) and three-class attributes sampling plans and the variables sampling plans. The validity of the assumption that the log microbial concentration is normally distributed among food units with a variance that is approximately stable batch to batch is questioned; and, within this context, new modelling trends based on more realistic assumptions are examined that consider the clustering of bacteria, the intrinsic variability among food batches and the use of past monitoring microbial data.en_EN
dc.description.versioninfo:eu-repo/semantics/publishedVersionen_EN
dc.identifier.citationGonzales-Barron, Ursula Andrea; Pilão Cadavez, Vasco Augusto; Butler, Francis (2013). Statistical approaches for the design of sampling plans for microbiological monitoring of foods. In Mathematical and Statistical Methods in Food Science and Technology. p. 363-384. ISBN 9781118434635en_EN
dc.identifier.doi10.1002/9781118434635.ch19en_EN
dc.identifier.isbn978-1118434635
dc.identifier.urihttp://hdl.handle.net/10198/15419
dc.language.isoeng
dc.peerreviewedyesen_EN
dc.subjectAttributesen_EN
dc.subjectBetween-batchen_EN
dc.subjectFood safety objectiveen_EN
dc.subjectMicrobial distributionen_EN
dc.subjectMicrobiological criteriaen_EN
dc.subjectOperating characteristic curveen_EN
dc.subjectPoisson-gammaen_EN
dc.subjectSampling planen_EN
dc.subjectVariablesen_EN
dc.subjectWithin-batchen_EN
dc.titleStatistical approaches for the design of sampling plans for microbiological monitoring of foodsen_EN
dc.typebook part
dspace.entity.typePublication
person.familyNameGonzales-Barron
person.familyNameCadavez
person.givenNameUrsula
person.givenNameVasco
person.identifierR-000-HDG
person.identifier.ciencia-id0813-C319-B62A
person.identifier.ciencia-id441B-01AB-A12E
person.identifier.orcid0000-0002-8462-9775
person.identifier.orcid0000-0002-3077-7414
person.identifier.ridA-3958-2010
person.identifier.scopus-author-id9435483700
person.identifier.scopus-author-id9039121900
rcaap.rightsrestrictedAccessen_EN
rcaap.typebookParten_EN
relation.isAuthorOfPublication17c6b98f-4fb5-41d3-839a-6f77ec70021a
relation.isAuthorOfPublication57b410e9-f6b7-42ff-ab3d-b526278715eb
relation.isAuthorOfPublication.latestForDiscovery57b410e9-f6b7-42ff-ab3d-b526278715eb

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