EFFECTIVENESS OF TETRA-TEST AS A TOOL FOR QUALITY MANAGEMENT OF REFRIGERATED RAW MILK
Autor(a) principal: | |
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Data de Publicação: | 2012 |
Outros Autores: | , , |
Tipo de documento: | Artigo |
Idioma: | por |
Título da fonte: | Ciência animal brasileira (Online) |
Texto Completo: | https://revistas.ufg.br/vet/article/view/8549 |
Resumo: | The effectiveness of a new management tool for screening refrigerated raw milk quality in a dairy industry is provided. Three hundred and seventy-four samples of raw milk from individual producers and 125 samples from bulk milk carriers from the same producers were analyzed. Producers’ samples underwent a fast tube reduction test, or Tetra-Test, to estimate total bacteriological charge and their predominant microbiota. Bulk milk samples underwent standard plate count (SPC) as reference method. Tetra-test was effective in screening and assessing the microbiological quality of refrigerated raw milk, since 82.4% of samples with more than 106UFC/mL were readily detected (5 minutes to 2h). The test may be employed as a management tool either in screening or in interventions on the detected problem. In fact, its results provided complementary information on the characteristics of dominant microbiota. Most samples failed in compliance to IN 51 requirements. Further, 211 samples (56.4%) showed high microbial charge and, consequently, poor quality raw milk. Psychrotrophic groups were not yet the main degrading factors of cooled raw milk, albeit present in 76.8% of samples.KEYWORDS: psychrotrophic groups; quality; quality management; refrigerated raw milk. |
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EFFECTIVENESS OF TETRA-TEST AS A TOOL FOR QUALITY MANAGEMENT OF REFRIGERATED RAW MILKEFICÁCIA DO “TETRA-TEST” COMO FERRAMENTA DE GESTÃO DA QUALIDADE DO LEITE CRU REFRIGERADOMilk Technologyleite cru refrigeradoqualidadegestão da qualidademicrorganismos psicrotróficos.The effectiveness of a new management tool for screening refrigerated raw milk quality in a dairy industry is provided. Three hundred and seventy-four samples of raw milk from individual producers and 125 samples from bulk milk carriers from the same producers were analyzed. Producers’ samples underwent a fast tube reduction test, or Tetra-Test, to estimate total bacteriological charge and their predominant microbiota. Bulk milk samples underwent standard plate count (SPC) as reference method. Tetra-test was effective in screening and assessing the microbiological quality of refrigerated raw milk, since 82.4% of samples with more than 106UFC/mL were readily detected (5 minutes to 2h). The test may be employed as a management tool either in screening or in interventions on the detected problem. In fact, its results provided complementary information on the characteristics of dominant microbiota. Most samples failed in compliance to IN 51 requirements. Further, 211 samples (56.4%) showed high microbial charge and, consequently, poor quality raw milk. Psychrotrophic groups were not yet the main degrading factors of cooled raw milk, albeit present in 76.8% of samples.KEYWORDS: psychrotrophic groups; quality; quality management; refrigerated raw milk.Avaliou-se a eficácia de uma nova ferramenta para a seleção e gestão da qualidade do leite cru refrigerado. Foram analisadas 374 amostras individuais de leite refrigerado (produtor) e 125 amostras de leite de conjunto desses mesmos produtores (bocas de tanques do veículo transportador). As amostras individuais foram submetidas à prova rápida de redução em tubos – “Tetra-test”, com o objetivo de estimar a carga bacteriana e a microbiota predominante, enquanto as de conjunto foram submetidas à contagem padrão em placas (CPP), como método de referência. O “Tetra-test” mostrou-se eficaz na seleção (“screening”) da matéria-prima, evidenciando redução em tempo recorde variando de 5 min a 2h para a maioria (82,4%) das amostras com CBT >106UFC/mL, possibilitando avaliação da qualidade do leite cru refrigerado e sua utilização como ferramenta de gestão na própria seleção ou na escolha de intervenções em função do problema detectado, uma vez que seus resultados possibilitaram informações complementares sobre as características da microbiota dominante. Grande parte das amostras não atendeu aos requisitos da IN 51, com 211 delas (56,4%) denotando elevada carga microbiana e matéria-prima de qualidade ruim. Os psicrotróficos ainda não se constituíram em deteriorantes principais do leite cru refrigerado, mas estiveram presentes em 76,8% das amostras.PALAVRAS-CHAVE: gestão da qualidade; leite cru refrigerado; microrganismos psicrotróficos; qualidade.Universidade Federal de Goiás2012-09-28info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionResearchAvaliado por paresPesquisa Científicaapplication/pdftext/htmlhttps://revistas.ufg.br/vet/article/view/854910.5216/cab.v13i3.8549Brazilian Animal Science/ Ciência Animal Brasileira; Vol. 13 No. 3 (2012); 359-367Ciência Animal Brasileira / Brazilian Animal Science; v. 13 n. 3 (2012); 359-3671809-68911518-2797reponame:Ciência animal brasileira (Online)instname:Universidade Federal de Goiás (UFG)instacron:UFGporhttps://revistas.ufg.br/vet/article/view/8549/11969https://revistas.ufg.br/vet/article/view/8549/11970Oliveira, Camilo Ferreira deMachado, Rodolpho da CostaBarbon, Ana Paula A. da C.Prata, Luiz Franciscoinfo:eu-repo/semantics/openAccess2012-09-29T02:15:59Zoai:ojs.revistas.ufg.br:article/8549Revistahttps://revistas.ufg.br/vetPUBhttps://revistas.ufg.br/vet/oai||revistacab@gmail.com1809-68911518-2797opendoar:2024-05-21T19:55:40.701573Ciência animal brasileira (Online) - Universidade Federal de Goiás (UFG)true |
dc.title.none.fl_str_mv |
EFFECTIVENESS OF TETRA-TEST AS A TOOL FOR QUALITY MANAGEMENT OF REFRIGERATED RAW MILK EFICÁCIA DO “TETRA-TEST” COMO FERRAMENTA DE GESTÃO DA QUALIDADE DO LEITE CRU REFRIGERADO |
title |
EFFECTIVENESS OF TETRA-TEST AS A TOOL FOR QUALITY MANAGEMENT OF REFRIGERATED RAW MILK |
spellingShingle |
EFFECTIVENESS OF TETRA-TEST AS A TOOL FOR QUALITY MANAGEMENT OF REFRIGERATED RAW MILK Oliveira, Camilo Ferreira de Milk Technology leite cru refrigerado qualidade gestão da qualidade microrganismos psicrotróficos. |
title_short |
EFFECTIVENESS OF TETRA-TEST AS A TOOL FOR QUALITY MANAGEMENT OF REFRIGERATED RAW MILK |
title_full |
EFFECTIVENESS OF TETRA-TEST AS A TOOL FOR QUALITY MANAGEMENT OF REFRIGERATED RAW MILK |
title_fullStr |
EFFECTIVENESS OF TETRA-TEST AS A TOOL FOR QUALITY MANAGEMENT OF REFRIGERATED RAW MILK |
title_full_unstemmed |
EFFECTIVENESS OF TETRA-TEST AS A TOOL FOR QUALITY MANAGEMENT OF REFRIGERATED RAW MILK |
title_sort |
EFFECTIVENESS OF TETRA-TEST AS A TOOL FOR QUALITY MANAGEMENT OF REFRIGERATED RAW MILK |
author |
Oliveira, Camilo Ferreira de |
author_facet |
Oliveira, Camilo Ferreira de Machado, Rodolpho da Costa Barbon, Ana Paula A. da C. Prata, Luiz Francisco |
author_role |
author |
author2 |
Machado, Rodolpho da Costa Barbon, Ana Paula A. da C. Prata, Luiz Francisco |
author2_role |
author author author |
dc.contributor.author.fl_str_mv |
Oliveira, Camilo Ferreira de Machado, Rodolpho da Costa Barbon, Ana Paula A. da C. Prata, Luiz Francisco |
dc.subject.por.fl_str_mv |
Milk Technology leite cru refrigerado qualidade gestão da qualidade microrganismos psicrotróficos. |
topic |
Milk Technology leite cru refrigerado qualidade gestão da qualidade microrganismos psicrotróficos. |
description |
The effectiveness of a new management tool for screening refrigerated raw milk quality in a dairy industry is provided. Three hundred and seventy-four samples of raw milk from individual producers and 125 samples from bulk milk carriers from the same producers were analyzed. Producers’ samples underwent a fast tube reduction test, or Tetra-Test, to estimate total bacteriological charge and their predominant microbiota. Bulk milk samples underwent standard plate count (SPC) as reference method. Tetra-test was effective in screening and assessing the microbiological quality of refrigerated raw milk, since 82.4% of samples with more than 106UFC/mL were readily detected (5 minutes to 2h). The test may be employed as a management tool either in screening or in interventions on the detected problem. In fact, its results provided complementary information on the characteristics of dominant microbiota. Most samples failed in compliance to IN 51 requirements. Further, 211 samples (56.4%) showed high microbial charge and, consequently, poor quality raw milk. Psychrotrophic groups were not yet the main degrading factors of cooled raw milk, albeit present in 76.8% of samples.KEYWORDS: psychrotrophic groups; quality; quality management; refrigerated raw milk. |
publishDate |
2012 |
dc.date.none.fl_str_mv |
2012-09-28 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Research Avaliado por pares Pesquisa Científica |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
https://revistas.ufg.br/vet/article/view/8549 10.5216/cab.v13i3.8549 |
url |
https://revistas.ufg.br/vet/article/view/8549 |
identifier_str_mv |
10.5216/cab.v13i3.8549 |
dc.language.iso.fl_str_mv |
por |
language |
por |
dc.relation.none.fl_str_mv |
https://revistas.ufg.br/vet/article/view/8549/11969 https://revistas.ufg.br/vet/article/view/8549/11970 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf text/html |
dc.publisher.none.fl_str_mv |
Universidade Federal de Goiás |
publisher.none.fl_str_mv |
Universidade Federal de Goiás |
dc.source.none.fl_str_mv |
Brazilian Animal Science/ Ciência Animal Brasileira; Vol. 13 No. 3 (2012); 359-367 Ciência Animal Brasileira / Brazilian Animal Science; v. 13 n. 3 (2012); 359-367 1809-6891 1518-2797 reponame:Ciência animal brasileira (Online) instname:Universidade Federal de Goiás (UFG) instacron:UFG |
instname_str |
Universidade Federal de Goiás (UFG) |
instacron_str |
UFG |
institution |
UFG |
reponame_str |
Ciência animal brasileira (Online) |
collection |
Ciência animal brasileira (Online) |
repository.name.fl_str_mv |
Ciência animal brasileira (Online) - Universidade Federal de Goiás (UFG) |
repository.mail.fl_str_mv |
||revistacab@gmail.com |
_version_ |
1799874786635022337 |