<b>Freezing and thawing of processed meat in an industrial freezing tunnel<b>

Freezing is a commonly used preservation method in the meat industry. The understanding of the product behavior during the freezing process can assist in a better process management and quality control. This work reports the study of freezing and thawing of three types of processed meat in order to...

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Main Authors: Glaucio Antonio Marini, Eduarda Molardi Bainy, Marcelo Kaminski Lenzi, Marcos Lúcio Corazza
Format: Article
Language:English
Published: Universidade Estadual de Maringá 2014-04-01
Series:Acta Scientiarum: Technology
Subjects:
Online Access:http://186.233.154.254/ojs/index.php/ActaSciTechnol/article/view/18103
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author Glaucio Antonio Marini
Eduarda Molardi Bainy
Marcelo Kaminski Lenzi
Marcos Lúcio Corazza
author_facet Glaucio Antonio Marini
Eduarda Molardi Bainy
Marcelo Kaminski Lenzi
Marcos Lúcio Corazza
author_sort Glaucio Antonio Marini
collection DOAJ
description Freezing is a commonly used preservation method in the meat industry. The understanding of the product behavior during the freezing process can assist in a better process management and quality control. This work reports the study of freezing and thawing of three types of processed meat in order to determine process parameters in an industrial forced‑air freezing tunnel at ‑30oC. Chicken sausages (frankfurter type), mortadela (bologna type) and mechanically deboned chicken meat (MDCM) were studied. Products were placed in several layers in corrugated cardboard boxes (CCB) for sausages and mortadela. MDCM was placed in a nylon box. Temperature sensors were inserted in the products and the freezing and thawing curves were obtained. Freezing curves were used to determine the freezing time (tf), initial freezing point (Tf) and final freezing point (T’m). Products placed in different layers in the CCB had significantly different freezing times, being the higher rates for products placed in more external layers than internal ones. The external layers of product were subjected to heat transfer by convection showing its importance to decrease freezing time. The results strongly suggest that products placed in different layers could have distinct quality properties and also play a key role in the freezing process efficiency.
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spelling doaj.art-8097322767a145efbb7cb6bbbbb98e5a2022-12-22T03:06:22ZengUniversidade Estadual de MaringáActa Scientiarum: Technology1806-25631807-86642014-04-0136236136810.4025/actascitechnol.v36i2.1810310611<b>Freezing and thawing of processed meat in an industrial freezing tunnel<b>Glaucio Antonio Marini0Eduarda Molardi Bainy1Marcelo Kaminski Lenzi2Marcos Lúcio Corazza3Universidade Regional IntegradaUniversidade Federal da Fronteira SulUniversidade Federal do ParanáUniversidade Federal do ParanáFreezing is a commonly used preservation method in the meat industry. The understanding of the product behavior during the freezing process can assist in a better process management and quality control. This work reports the study of freezing and thawing of three types of processed meat in order to determine process parameters in an industrial forced‑air freezing tunnel at ‑30oC. Chicken sausages (frankfurter type), mortadela (bologna type) and mechanically deboned chicken meat (MDCM) were studied. Products were placed in several layers in corrugated cardboard boxes (CCB) for sausages and mortadela. MDCM was placed in a nylon box. Temperature sensors were inserted in the products and the freezing and thawing curves were obtained. Freezing curves were used to determine the freezing time (tf), initial freezing point (Tf) and final freezing point (T’m). Products placed in different layers in the CCB had significantly different freezing times, being the higher rates for products placed in more external layers than internal ones. The external layers of product were subjected to heat transfer by convection showing its importance to decrease freezing time. The results strongly suggest that products placed in different layers could have distinct quality properties and also play a key role in the freezing process efficiency.http://186.233.154.254/ojs/index.php/ActaSciTechnol/article/view/18103freezing curveprocessed meatfreezing propertiesfreezing tunnel
spellingShingle Glaucio Antonio Marini
Eduarda Molardi Bainy
Marcelo Kaminski Lenzi
Marcos Lúcio Corazza
<b>Freezing and thawing of processed meat in an industrial freezing tunnel<b>
Acta Scientiarum: Technology
freezing curve
processed meat
freezing properties
freezing tunnel
title <b>Freezing and thawing of processed meat in an industrial freezing tunnel<b>
title_full <b>Freezing and thawing of processed meat in an industrial freezing tunnel<b>
title_fullStr <b>Freezing and thawing of processed meat in an industrial freezing tunnel<b>
title_full_unstemmed <b>Freezing and thawing of processed meat in an industrial freezing tunnel<b>
title_short <b>Freezing and thawing of processed meat in an industrial freezing tunnel<b>
title_sort b freezing and thawing of processed meat in an industrial freezing tunnel b
topic freezing curve
processed meat
freezing properties
freezing tunnel
url http://186.233.154.254/ojs/index.php/ActaSciTechnol/article/view/18103
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AT eduardamolardibainy bfreezingandthawingofprocessedmeatinanindustrialfreezingtunnelb
AT marcelokaminskilenzi bfreezingandthawingofprocessedmeatinanindustrialfreezingtunnelb
AT marcosluciocorazza bfreezingandthawingofprocessedmeatinanindustrialfreezingtunnelb