Calcium-induced skim milk gels: Effect of milk powder concentration and pH on tribo-rheological characteristics and gel physico-chemical properties

Autores
Olivares, María Laura; Costabel, Luciana Maria; Zorrilla, Susana E.; Vicente, J. de
Año de publicación
2021
Idioma
inglés
Tipo de recurso
artículo
Estado
versión aceptada
Descripción
The physico-chemical and tribo-rheological characteristics of calcium-induced skim milk gels obtained by heating of milk dispersions prepared with different concentrations of skim milk powder (10, 20 and 30% w/w) and calcium chloride (30, 60 and 90 mmol kg−1) were studied. The effect of pH on the gelation and on the final gel structure was also analyzed. For this purpose, the pH of selected samples was readjusted to the natural pH of milk of 6.66 after the calcium salt addition. The gelation process was analyzed by rheometry throughout temperature and time sweeps. Gelation at temperatures lower than 70 °C was observed in samples with 10% w/w of skim milk powder (SM) and 30 mmol kg−1 of calcium chloride or similar ratio, when the amount of calcium remaining in the serum phase is enough to induce gel formation. The results obtained from temperature sweeps also suggest that the pH strongly affects the temperature at which gelation initiates. Structuring parameters confirmed these results. From time sweeps, it was observed that the kinetics of gelation depended on both composition and pH. Gels obtained using higher SM concentrations (20 and 30% w/w) showed better physical properties (low syneresis and high water holding capacity). Confocal laser microscopy images also showed a more homogeneous structure in those samples. Higher SM and calcium chloride concentrations improved the lubrication characteristics analyzed by tribology. Friction factors at 10 mm s−1 (typical speed in oral processing) decreased as the SM concentration increased. It is concluded that calcium-induced skim milk gels with different microstructure can be obtained by varying the concentration of skim milk powder and calcium salt added, and pH adjustment.
EEA Rafaela
Fil: Olivares, María Laura. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto de Desarrollo Tecnológico para la Industria Química, Argentina
Fil: Olivares, María Laura. Universidad Nacional del Litoral. Facultad de Ingeniería Química. Instituto de Desarrollo Tecnológico para la Industria Química; Argentina
Fil: Costabel, Luciana Maria. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Rafaela. Instituto de Investigación de la Cadena Láctea; Argentina
Fil: Costabel, Luciana Maria. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Investigación de la Cadena Láctea; Argentina
Fil: Zorrilla, Susana E. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto de Desarrollo Tecnológico para la Industria Química; Argentina
Fil: Zorrilla, Susana E. Universidad Nacional del Litoral. Facultad de Ingeniería Química. Instituto de Desarrollo Tecnológico para la Industria Química; Argentina
Fil: Vicente, J. de University of Granada. Faculty of Sciences. Department of Applied Physics and Excellence Research Unit “Modeling Nature” (MNat); España
Fuente
Food Hydrocolloids 124, Part B : 107335 (March 2022)
Materia
Leche
Leche Desnatada
Reología
Calcio
Geles
pH
Milk
Skim Milk
Rheology
Calcium
Gels
Nivel de accesibilidad
acceso restringido
Condiciones de uso
Repositorio
INTA Digital (INTA)
Institución
Instituto Nacional de Tecnología Agropecuaria
OAI Identificador
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spelling Calcium-induced skim milk gels: Effect of milk powder concentration and pH on tribo-rheological characteristics and gel physico-chemical propertiesOlivares, María LauraCostabel, Luciana MariaZorrilla, Susana E.Vicente, J. deLecheLeche DesnatadaReologíaCalcioGelespHMilkSkim MilkRheologyCalciumGelsThe physico-chemical and tribo-rheological characteristics of calcium-induced skim milk gels obtained by heating of milk dispersions prepared with different concentrations of skim milk powder (10, 20 and 30% w/w) and calcium chloride (30, 60 and 90 mmol kg−1) were studied. The effect of pH on the gelation and on the final gel structure was also analyzed. For this purpose, the pH of selected samples was readjusted to the natural pH of milk of 6.66 after the calcium salt addition. The gelation process was analyzed by rheometry throughout temperature and time sweeps. Gelation at temperatures lower than 70 °C was observed in samples with 10% w/w of skim milk powder (SM) and 30 mmol kg−1 of calcium chloride or similar ratio, when the amount of calcium remaining in the serum phase is enough to induce gel formation. The results obtained from temperature sweeps also suggest that the pH strongly affects the temperature at which gelation initiates. Structuring parameters confirmed these results. From time sweeps, it was observed that the kinetics of gelation depended on both composition and pH. Gels obtained using higher SM concentrations (20 and 30% w/w) showed better physical properties (low syneresis and high water holding capacity). Confocal laser microscopy images also showed a more homogeneous structure in those samples. Higher SM and calcium chloride concentrations improved the lubrication characteristics analyzed by tribology. Friction factors at 10 mm s−1 (typical speed in oral processing) decreased as the SM concentration increased. It is concluded that calcium-induced skim milk gels with different microstructure can be obtained by varying the concentration of skim milk powder and calcium salt added, and pH adjustment.EEA RafaelaFil: Olivares, María Laura. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto de Desarrollo Tecnológico para la Industria Química, ArgentinaFil: Olivares, María Laura. Universidad Nacional del Litoral. Facultad de Ingeniería Química. Instituto de Desarrollo Tecnológico para la Industria Química; ArgentinaFil: Costabel, Luciana Maria. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Rafaela. Instituto de Investigación de la Cadena Láctea; ArgentinaFil: Costabel, Luciana Maria. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Investigación de la Cadena Láctea; ArgentinaFil: Zorrilla, Susana E. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto de Desarrollo Tecnológico para la Industria Química; ArgentinaFil: Zorrilla, Susana E. Universidad Nacional del Litoral. Facultad de Ingeniería Química. Instituto de Desarrollo Tecnológico para la Industria Química; ArgentinaFil: Vicente, J. de University of Granada. Faculty of Sciences. Department of Applied Physics and Excellence Research Unit “Modeling Nature” (MNat); EspañaElsevierinfo:eu-repo/date/embargoEnd/2022-12-062021-12-06T16:37:16Z2021-12-06T16:37:16Z2022-03info:eu-repo/semantics/articleinfo:eu-repo/semantics/acceptedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfhttp://hdl.handle.net/20.500.12123/10857https://www.sciencedirect.com/science/article/abs/pii/S0268005X210075170268-005Xhttps://doi.org/10.1016/j.foodhyd.2021.107335Food Hydrocolloids 124, Part B : 107335 (March 2022)reponame:INTA Digital (INTA)instname:Instituto Nacional de Tecnología Agropecuariaenginfo:eu-repograntAgreement/INTA/2019-PD-E7-I152-001/2019-PD-E7-I152-001/AR./Alimentos nutracéuticos, funcionales o para regímenes especiales.info:eu-repo/semantics/restrictedAccess2025-09-29T13:45:25Zoai:localhost:20.500.12123/10857instacron:INTAInstitucionalhttp://repositorio.inta.gob.ar/Organismo científico-tecnológicoNo correspondehttp://repositorio.inta.gob.ar/oai/requesttripaldi.nicolas@inta.gob.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:l2025-09-29 13:45:26.0INTA Digital (INTA) - Instituto Nacional de Tecnología Agropecuariafalse
dc.title.none.fl_str_mv Calcium-induced skim milk gels: Effect of milk powder concentration and pH on tribo-rheological characteristics and gel physico-chemical properties
title Calcium-induced skim milk gels: Effect of milk powder concentration and pH on tribo-rheological characteristics and gel physico-chemical properties
spellingShingle Calcium-induced skim milk gels: Effect of milk powder concentration and pH on tribo-rheological characteristics and gel physico-chemical properties
Olivares, María Laura
Leche
Leche Desnatada
Reología
Calcio
Geles
pH
Milk
Skim Milk
Rheology
Calcium
Gels
title_short Calcium-induced skim milk gels: Effect of milk powder concentration and pH on tribo-rheological characteristics and gel physico-chemical properties
title_full Calcium-induced skim milk gels: Effect of milk powder concentration and pH on tribo-rheological characteristics and gel physico-chemical properties
title_fullStr Calcium-induced skim milk gels: Effect of milk powder concentration and pH on tribo-rheological characteristics and gel physico-chemical properties
title_full_unstemmed Calcium-induced skim milk gels: Effect of milk powder concentration and pH on tribo-rheological characteristics and gel physico-chemical properties
title_sort Calcium-induced skim milk gels: Effect of milk powder concentration and pH on tribo-rheological characteristics and gel physico-chemical properties
dc.creator.none.fl_str_mv Olivares, María Laura
Costabel, Luciana Maria
Zorrilla, Susana E.
Vicente, J. de
author Olivares, María Laura
author_facet Olivares, María Laura
Costabel, Luciana Maria
Zorrilla, Susana E.
Vicente, J. de
author_role author
author2 Costabel, Luciana Maria
Zorrilla, Susana E.
Vicente, J. de
author2_role author
author
author
dc.subject.none.fl_str_mv Leche
Leche Desnatada
Reología
Calcio
Geles
pH
Milk
Skim Milk
Rheology
Calcium
Gels
topic Leche
Leche Desnatada
Reología
Calcio
Geles
pH
Milk
Skim Milk
Rheology
Calcium
Gels
dc.description.none.fl_txt_mv The physico-chemical and tribo-rheological characteristics of calcium-induced skim milk gels obtained by heating of milk dispersions prepared with different concentrations of skim milk powder (10, 20 and 30% w/w) and calcium chloride (30, 60 and 90 mmol kg−1) were studied. The effect of pH on the gelation and on the final gel structure was also analyzed. For this purpose, the pH of selected samples was readjusted to the natural pH of milk of 6.66 after the calcium salt addition. The gelation process was analyzed by rheometry throughout temperature and time sweeps. Gelation at temperatures lower than 70 °C was observed in samples with 10% w/w of skim milk powder (SM) and 30 mmol kg−1 of calcium chloride or similar ratio, when the amount of calcium remaining in the serum phase is enough to induce gel formation. The results obtained from temperature sweeps also suggest that the pH strongly affects the temperature at which gelation initiates. Structuring parameters confirmed these results. From time sweeps, it was observed that the kinetics of gelation depended on both composition and pH. Gels obtained using higher SM concentrations (20 and 30% w/w) showed better physical properties (low syneresis and high water holding capacity). Confocal laser microscopy images also showed a more homogeneous structure in those samples. Higher SM and calcium chloride concentrations improved the lubrication characteristics analyzed by tribology. Friction factors at 10 mm s−1 (typical speed in oral processing) decreased as the SM concentration increased. It is concluded that calcium-induced skim milk gels with different microstructure can be obtained by varying the concentration of skim milk powder and calcium salt added, and pH adjustment.
EEA Rafaela
Fil: Olivares, María Laura. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto de Desarrollo Tecnológico para la Industria Química, Argentina
Fil: Olivares, María Laura. Universidad Nacional del Litoral. Facultad de Ingeniería Química. Instituto de Desarrollo Tecnológico para la Industria Química; Argentina
Fil: Costabel, Luciana Maria. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Rafaela. Instituto de Investigación de la Cadena Láctea; Argentina
Fil: Costabel, Luciana Maria. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Investigación de la Cadena Láctea; Argentina
Fil: Zorrilla, Susana E. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto de Desarrollo Tecnológico para la Industria Química; Argentina
Fil: Zorrilla, Susana E. Universidad Nacional del Litoral. Facultad de Ingeniería Química. Instituto de Desarrollo Tecnológico para la Industria Química; Argentina
Fil: Vicente, J. de University of Granada. Faculty of Sciences. Department of Applied Physics and Excellence Research Unit “Modeling Nature” (MNat); España
description The physico-chemical and tribo-rheological characteristics of calcium-induced skim milk gels obtained by heating of milk dispersions prepared with different concentrations of skim milk powder (10, 20 and 30% w/w) and calcium chloride (30, 60 and 90 mmol kg−1) were studied. The effect of pH on the gelation and on the final gel structure was also analyzed. For this purpose, the pH of selected samples was readjusted to the natural pH of milk of 6.66 after the calcium salt addition. The gelation process was analyzed by rheometry throughout temperature and time sweeps. Gelation at temperatures lower than 70 °C was observed in samples with 10% w/w of skim milk powder (SM) and 30 mmol kg−1 of calcium chloride or similar ratio, when the amount of calcium remaining in the serum phase is enough to induce gel formation. The results obtained from temperature sweeps also suggest that the pH strongly affects the temperature at which gelation initiates. Structuring parameters confirmed these results. From time sweeps, it was observed that the kinetics of gelation depended on both composition and pH. Gels obtained using higher SM concentrations (20 and 30% w/w) showed better physical properties (low syneresis and high water holding capacity). Confocal laser microscopy images also showed a more homogeneous structure in those samples. Higher SM and calcium chloride concentrations improved the lubrication characteristics analyzed by tribology. Friction factors at 10 mm s−1 (typical speed in oral processing) decreased as the SM concentration increased. It is concluded that calcium-induced skim milk gels with different microstructure can be obtained by varying the concentration of skim milk powder and calcium salt added, and pH adjustment.
publishDate 2021
dc.date.none.fl_str_mv 2021-12-06T16:37:16Z
2021-12-06T16:37:16Z
2022-03
info:eu-repo/date/embargoEnd/2022-12-06
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/acceptedVersion
http://purl.org/coar/resource_type/c_6501
info:ar-repo/semantics/articulo
format article
status_str acceptedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/20.500.12123/10857
https://www.sciencedirect.com/science/article/abs/pii/S0268005X21007517
0268-005X
https://doi.org/10.1016/j.foodhyd.2021.107335
url http://hdl.handle.net/20.500.12123/10857
https://www.sciencedirect.com/science/article/abs/pii/S0268005X21007517
https://doi.org/10.1016/j.foodhyd.2021.107335
identifier_str_mv 0268-005X
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repograntAgreement/INTA/2019-PD-E7-I152-001/2019-PD-E7-I152-001/AR./Alimentos nutracéuticos, funcionales o para regímenes especiales.
dc.rights.none.fl_str_mv info:eu-repo/semantics/restrictedAccess
eu_rights_str_mv restrictedAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Elsevier
publisher.none.fl_str_mv Elsevier
dc.source.none.fl_str_mv Food Hydrocolloids 124, Part B : 107335 (March 2022)
reponame:INTA Digital (INTA)
instname:Instituto Nacional de Tecnología Agropecuaria
reponame_str INTA Digital (INTA)
collection INTA Digital (INTA)
instname_str Instituto Nacional de Tecnología Agropecuaria
repository.name.fl_str_mv INTA Digital (INTA) - Instituto Nacional de Tecnología Agropecuaria
repository.mail.fl_str_mv tripaldi.nicolas@inta.gob.ar
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