Efeito antimicrobiano do ozônio no processamento da tilápia do nilo, Oreochromis niloticus (Linnaeus, 1758)

Detalhes bibliográficos
Ano de defesa: 2015
Autor(a) principal: Silva, Andressa Medeiros de Mendonça
Orientador(a): Gonçalves, Alex Augusto
Banca de defesa: Lima, José Ticiano Arruda Ximenes de lattes, Salgado, Raquel Lima lattes
Tipo de documento: Dissertação
Tipo de acesso: Acesso aberto
Idioma: por
Instituição de defesa: Universidade Federal Rural do Semi-Árido
Programa de Pós-Graduação: Programa de Pós-graduação em Produção Animal
Departamento: Não Informado pela instituição
País: Brasil
Palavras-chave em Português:
Agente oxidante
Água ozonizada
Pescado
Qualidade
Segurança alimentar
Oxidant agent
Ozonized water
Seafood
Quality
Food Safety
Área do conhecimento CNPq:
CNPQ::CIENCIAS AGRARIAS
Link de acesso: http://repositorio.ufersa.edu.br/handle/tede/797
Resumo: The objective of this study was to evaluate the efficiency of ozonated water as an antimicrobial agent in the Nile tilapia (O. niloticus) processing. Samples of whole tilapia and fillets were washed with cold water (11 ° C), without ozone (0 ppm - control) and with ozone (0.5; 1.0; 1.5 ppm) for 0; 5; 10; and 15 minutes. Microbiological parameters (total count of mesophilic, Staphylococcus aureus positive coagulase counts, fecal coliforms and the presence of Salmonella sp.) and physicochemical parameters (pH, color, TBA) were evaluated in order to check the microbiological load reduction and possible changes on pH, color and lipid oxidation (TBA) of fillets. The most effective ozone concentration on reducing the microbial load of the surface of tilapia was 1.5 ppm, reducing the initial populations of mesophilic bacteria in 91.78%. At this concentration (1.5 ppm), it was effective within the first 5 min., reducing the microbial load of 71.23%. In fillet washing, 1.5 ppm ozone concentration also showed the greatest reduction of mesophilic bacteria 70.19%. The treatment with ozonated water of fillets showed no influence on the pH and color of the fillets, however, there was an increase in the TBA value (1.5 ppm of O3 for 15 min.), showing that lipid oxidation occurred, but below the thresholds that make them unfit for consumption. The results showed that the ozonated water has been effective in reducing the microbial load of the fish during processing. The cost of electricity consumption used for ozone generation demonstrated its feasibility of use
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spelling Gonçalves, Alex Augusto12252128801Lima, José Ticiano Arruda Ximenes de91656702487http://lattes.cnpq.br/2820469940582654Salgado, Raquel Lima04296034790http://lattes.cnpq.br/886990475537671105878109476http://lattes.cnpq.br/1579791553990970http://lattes.cnpq.br/8707597761742642Silva, Andressa Medeiros de Mendonça2017-09-06T15:20:29Z2015-08-28SILVA, Andressa Medeiros de Mendonça. Efeito antimicrobiano do ozônio no processamento da tilápia do nilo, Oreochromis niloticus (Linnaeus, 1758). 2015. 75 f. Dissertação (Mestrado em Produção Animal) - Universidade Federal Rural do Semi-Árido, Mossoró, 2015.http://repositorio.ufersa.edu.br/handle/tede/797The objective of this study was to evaluate the efficiency of ozonated water as an antimicrobial agent in the Nile tilapia (O. niloticus) processing. Samples of whole tilapia and fillets were washed with cold water (11 ° C), without ozone (0 ppm - control) and with ozone (0.5; 1.0; 1.5 ppm) for 0; 5; 10; and 15 minutes. Microbiological parameters (total count of mesophilic, Staphylococcus aureus positive coagulase counts, fecal coliforms and the presence of Salmonella sp.) and physicochemical parameters (pH, color, TBA) were evaluated in order to check the microbiological load reduction and possible changes on pH, color and lipid oxidation (TBA) of fillets. The most effective ozone concentration on reducing the microbial load of the surface of tilapia was 1.5 ppm, reducing the initial populations of mesophilic bacteria in 91.78%. At this concentration (1.5 ppm), it was effective within the first 5 min., reducing the microbial load of 71.23%. In fillet washing, 1.5 ppm ozone concentration also showed the greatest reduction of mesophilic bacteria 70.19%. The treatment with ozonated water of fillets showed no influence on the pH and color of the fillets, however, there was an increase in the TBA value (1.5 ppm of O3 for 15 min.), showing that lipid oxidation occurred, but below the thresholds that make them unfit for consumption. The results showed that the ozonated water has been effective in reducing the microbial load of the fish during processing. The cost of electricity consumption used for ozone generation demonstrated its feasibility of useO objetivo com o presente trabalho foi avaliar a eficiência da água ozonizada como agente antimicrobiano no processamento da tilápia do Nilo (O. niloticus). Amostras de tilápia inteira e filés foram imersas em água gelada (11°C) sem ozônio (0 ppm - controle) e com ozônio (0,5; 1,0; 1,5 ppm) durante 0; 5; 10; e 15 minutos. Parâmetros microbiológicos (contagem total de mesófilos, contagem de Staphylococcus aureus coagulase positivo, coliformes termotolerantes e presença de Salmonella sp.) e físico-químicos (pH, cor, TBA) foram avaliados a fim de verificar diminuição da carga microbiológica e possíveis alterações de pH, cor do filé, e oxidação lipídica (TBA). A concentração de ozônio mais efetiva sobre a diminuição da carga microbiana da superfície da tilápia foi a de 1,5 ppm, reduzindo as populações inicias de bactérias mesófilas em 91,78%. Nesta concentração (1,5 ppm), a eficácia foi nos primeiros 5 min., reduzindo a carga microbiana em 71,23%. Na imersão do filé, a concentração de ozônio de 1,5 ppm também apresentou a maior redução de bactérias mesófilas 70,19%. O tratamento dos filés com água ozonizada não demonstrou influência sobre o pH e cor dos filés, no entanto, observou-se um aumento dos valores de TBA (1,5 ppm de O3 por 15 min.), demonstrando que ocorreu oxidação lipídica, mas inferior aos limites que os deixam impróprios para o consumo. Os resultados demonstraram que a água ozonizada foi eficiente na redução da carga microbiana do pescado durante o processamento. O custo do consumo de energia elétrica utilizada para geração do ozônio demostrou sua viabilidade de usoSubmitted by Lara Oliveira (lara@ufersa.edu.br) on 2017-09-01T20:41:50Z No. of bitstreams: 1 AndressaMMS_DISSERT.pdf: 1954199 bytes, checksum: e72c0bd0dda36d90e31b5cf4a2e9fbc3 (MD5)Approved for entry into archive by Vanessa Christiane (referencia@ufersa.edu.br) on 2017-09-06T15:19:56Z (GMT) No. of bitstreams: 1 AndressaMMS_DISSERT.pdf: 1954199 bytes, checksum: e72c0bd0dda36d90e31b5cf4a2e9fbc3 (MD5)Approved for entry into archive by Vanessa Christiane (referencia@ufersa.edu.br) on 2017-09-06T15:20:09Z (GMT) No. of bitstreams: 1 AndressaMMS_DISSERT.pdf: 1954199 bytes, checksum: e72c0bd0dda36d90e31b5cf4a2e9fbc3 (MD5)Made available in DSpace on 2017-09-06T15:20:29Z (GMT). No. of bitstreams: 1 AndressaMMS_DISSERT.pdf: 1954199 bytes, checksum: e72c0bd0dda36d90e31b5cf4a2e9fbc3 (MD5) Previous issue date: 2015-08-28Coordenação de Aperfeiçoamento de Pessoal de Nível Superior2017-09-01application/pdfhttp://repositorio.ufersa.edu.br/retrieve/2121/AndressaMMS_DISSERT.pdf.jpgporUniversidade Federal Rural do Semi-ÁridoPrograma de Pós-graduação em Produção AnimalUFERSABrasilAgente oxidanteÁgua ozonizadaPescadoQualidadeSegurança alimentarOxidant agentOzonized waterSeafoodQualityFood SafetyCNPQ::CIENCIAS AGRARIASEfeito antimicrobiano do ozônio no processamento da tilápia do nilo, Oreochromis niloticus (Linnaeus, 1758)Antimicrobial effect of ozone in the Nile tilapia, Oreochromis niloticus (Linnaeus, 1758) processinginfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/masterThesisinfo:eu-repo/semantics/openAccessreponame:Biblioteca Digital de Teses e Dissertações da UFERSAinstname:Universidade Federal Rural do Semi-Árido (UFERSA)instacron:UFERSAORIGINALAndressaMMS_DISSERT.pdfAndressaMMS_DISSERT.pdfapplication/pdf1954199http://200.137.6.41:8080/jspui/bitstream/tede/797/1/AndressaMMS_DISSERT.pdfe72c0bd0dda36d90e31b5cf4a2e9fbc3MD51LICENSElicense.txtlicense.txttext/plain; charset=utf-82165http://200.137.6.41:8080/jspui/bitstream/tede/797/2/license.txtbd3efa91386c1718a7f26a329fdcb468MD52TEXTAndressaMMS_DISSERT.pdf.txtAndressaMMS_DISSERT.pdf.txtExtracted Texttext/plain144772http://200.137.6.41:8080/jspui/bitstream/tede/797/3/AndressaMMS_DISSERT.pdf.txtfd3bffc29b4f00762066831f3d10c6c4MD53THUMBNAILAndressaMMS_DISSERT.pdf.jpgAndressaMMS_DISSERT.pdf.jpgGenerated Thumbnailimage/jpeg3536http://200.137.6.41:8080/jspui/bitstream/tede/797/4/AndressaMMS_DISSERT.pdf.jpg46f022745a9e6a75ed75bd9f48d3a71eMD54tede/7972018-05-23 14:18:27.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Biblioteca Digital de Teses e Dissertaçõeshttps://repositorio.ufersa.edu.br/
dc.title.por.fl_str_mv Efeito antimicrobiano do ozônio no processamento da tilápia do nilo, Oreochromis niloticus (Linnaeus, 1758)
dc.title.alternative.por.fl_str_mv Antimicrobial effect of ozone in the Nile tilapia, Oreochromis niloticus (Linnaeus, 1758) processing
title Efeito antimicrobiano do ozônio no processamento da tilápia do nilo, Oreochromis niloticus (Linnaeus, 1758)
spellingShingle Efeito antimicrobiano do ozônio no processamento da tilápia do nilo, Oreochromis niloticus (Linnaeus, 1758)
Silva, Andressa Medeiros de Mendonça
Agente oxidante
Água ozonizada
Pescado
Qualidade
Segurança alimentar
Oxidant agent
Ozonized water
Seafood
Quality
Food Safety
CNPQ::CIENCIAS AGRARIAS
title_short Efeito antimicrobiano do ozônio no processamento da tilápia do nilo, Oreochromis niloticus (Linnaeus, 1758)
title_full Efeito antimicrobiano do ozônio no processamento da tilápia do nilo, Oreochromis niloticus (Linnaeus, 1758)
title_fullStr Efeito antimicrobiano do ozônio no processamento da tilápia do nilo, Oreochromis niloticus (Linnaeus, 1758)
title_full_unstemmed Efeito antimicrobiano do ozônio no processamento da tilápia do nilo, Oreochromis niloticus (Linnaeus, 1758)
title_sort Efeito antimicrobiano do ozônio no processamento da tilápia do nilo, Oreochromis niloticus (Linnaeus, 1758)
author Silva, Andressa Medeiros de Mendonça
author_facet Silva, Andressa Medeiros de Mendonça
author_role author
dc.contributor.authorID.por.fl_str_mv 05878109476
dc.contributor.authorLattes.por.fl_str_mv http://lattes.cnpq.br/1579791553990970
dc.contributor.advisorLattes.por.fl_str_mv http://lattes.cnpq.br/8707597761742642
dc.contributor.advisor1.fl_str_mv Gonçalves, Alex Augusto
dc.contributor.advisor1ID.fl_str_mv 12252128801
dc.contributor.referee1.fl_str_mv Lima, José Ticiano Arruda Ximenes de
dc.contributor.referee1ID.fl_str_mv 91656702487
dc.contributor.referee1Lattes.fl_str_mv http://lattes.cnpq.br/2820469940582654
dc.contributor.referee2.fl_str_mv Salgado, Raquel Lima
dc.contributor.referee2ID.fl_str_mv 04296034790
dc.contributor.referee2Lattes.fl_str_mv http://lattes.cnpq.br/8869904755376711
dc.contributor.author.fl_str_mv Silva, Andressa Medeiros de Mendonça
contributor_str_mv Gonçalves, Alex Augusto
Lima, José Ticiano Arruda Ximenes de
Salgado, Raquel Lima
dc.subject.por.fl_str_mv Agente oxidante
Água ozonizada
Pescado
Qualidade
Segurança alimentar
Oxidant agent
Ozonized water
Seafood
Quality
Food Safety
topic Agente oxidante
Água ozonizada
Pescado
Qualidade
Segurança alimentar
Oxidant agent
Ozonized water
Seafood
Quality
Food Safety
CNPQ::CIENCIAS AGRARIAS
dc.subject.cnpq.fl_str_mv CNPQ::CIENCIAS AGRARIAS
description The objective of this study was to evaluate the efficiency of ozonated water as an antimicrobial agent in the Nile tilapia (O. niloticus) processing. Samples of whole tilapia and fillets were washed with cold water (11 ° C), without ozone (0 ppm - control) and with ozone (0.5; 1.0; 1.5 ppm) for 0; 5; 10; and 15 minutes. Microbiological parameters (total count of mesophilic, Staphylococcus aureus positive coagulase counts, fecal coliforms and the presence of Salmonella sp.) and physicochemical parameters (pH, color, TBA) were evaluated in order to check the microbiological load reduction and possible changes on pH, color and lipid oxidation (TBA) of fillets. The most effective ozone concentration on reducing the microbial load of the surface of tilapia was 1.5 ppm, reducing the initial populations of mesophilic bacteria in 91.78%. At this concentration (1.5 ppm), it was effective within the first 5 min., reducing the microbial load of 71.23%. In fillet washing, 1.5 ppm ozone concentration also showed the greatest reduction of mesophilic bacteria 70.19%. The treatment with ozonated water of fillets showed no influence on the pH and color of the fillets, however, there was an increase in the TBA value (1.5 ppm of O3 for 15 min.), showing that lipid oxidation occurred, but below the thresholds that make them unfit for consumption. The results showed that the ozonated water has been effective in reducing the microbial load of the fish during processing. The cost of electricity consumption used for ozone generation demonstrated its feasibility of use
publishDate 2015
dc.date.issued.fl_str_mv 2015-08-28
dc.date.accessioned.fl_str_mv 2017-09-06T15:20:29Z
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dc.type.driver.fl_str_mv info:eu-repo/semantics/masterThesis
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dc.identifier.citation.fl_str_mv SILVA, Andressa Medeiros de Mendonça. Efeito antimicrobiano do ozônio no processamento da tilápia do nilo, Oreochromis niloticus (Linnaeus, 1758). 2015. 75 f. Dissertação (Mestrado em Produção Animal) - Universidade Federal Rural do Semi-Árido, Mossoró, 2015.
dc.identifier.uri.fl_str_mv http://repositorio.ufersa.edu.br/handle/tede/797
identifier_str_mv SILVA, Andressa Medeiros de Mendonça. Efeito antimicrobiano do ozônio no processamento da tilápia do nilo, Oreochromis niloticus (Linnaeus, 1758). 2015. 75 f. Dissertação (Mestrado em Produção Animal) - Universidade Federal Rural do Semi-Árido, Mossoró, 2015.
url http://repositorio.ufersa.edu.br/handle/tede/797
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dc.publisher.none.fl_str_mv Universidade Federal Rural do Semi-Árido
dc.publisher.program.fl_str_mv Programa de Pós-graduação em Produção Animal
dc.publisher.initials.fl_str_mv UFERSA
dc.publisher.country.fl_str_mv Brasil
publisher.none.fl_str_mv Universidade Federal Rural do Semi-Árido
dc.source.none.fl_str_mv reponame:Biblioteca Digital de Teses e Dissertações da UFERSA
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