Spray-dried infant formula emulsion stability as affected by pre-heat treatment and total solids content of the feed

Pre-spray-drying processing may affect stability after reconstitution of emulsion-based powders, such as infant formulas. This study aimed to evaluate the effects of pasteurization temperature and total solids (TS) of the feed on the stability of the emulsions obtained from the reconstituted powders...

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Autores principales: Rodríguez Arzuaga, Mariana, Abraham, Analía Graciela, Ahrné, Lilia, Pérez Montes, Marvia G., Añón, María Cristina
Formato: Articulo
Lenguaje:Inglés
Publicado: 2022
Materias:
Química
denaturation
viscosity
backscattering
milk powder
pasteurization
dry matter
Acceso en línea:http://sedici.unlp.edu.ar/handle/10915/156071
Aporte de:
SEDICI (UNLP) de Universidad Nacional de La Plata
id I19-R120-10915-156071
record_format dspace
spelling I19-R120-10915-1560712023-08-08T20:07:26Z http://sedici.unlp.edu.ar/handle/10915/156071 Spray-dried infant formula emulsion stability as affected by pre-heat treatment and total solids content of the feed Rodríguez Arzuaga, Mariana Abraham, Analía Graciela Ahrné, Lilia Pérez Montes, Marvia G. Añón, María Cristina 2022 2023-08-08T15:31:14Z en Química denaturation viscosity backscattering milk powder pasteurization dry matter Pre-spray-drying processing may affect stability after reconstitution of emulsion-based powders, such as infant formulas. This study aimed to evaluate the effects of pasteurization temperature and total solids (TS) of the feed on the stability of the emulsions obtained from the reconstituted powders. Four infant formula powders (50%-75 °C, 50%-100 °C, 60%-75 °C, and 60%-100 °C) were produced at pilot scale, from emulsions with 50 or 60% TS pasteurized at 75 or 100 °C for 18 s. Both the emulsion feeds and the emulsions from the reconstituted powders (12.5% TS) were analyzed. The results showed that feeds with 60% TS were flocculated, as indicated by the large particle size and viscosity and the pseudoplastic behavior. Light microscopy revealed that, during spray drying, the flocs were disrupted in 60%-100 °C, while the 60%-75 °C emulsion remained flocculated, reducing its stability post-reconstitution. Although all four emulsions were mainly stabilized by caseins, the presence of -lactoglobulin was also detected at the oil–water interface, in native state in the formulas preheated at 75 °C and aggregated in the formulas preheated at 100 °C. In conclusion, both the degree of whey protein denaturation (resulting from pasteurization) and the TS of the concentrates during infant formula production affected the emulsion stability of the reconstituted powders. Centro de Investigación y Desarrollo en Criotecnología de Alimentos Articulo Articulo http://creativecommons.org/licenses/by/4.0/ Creative Commons Attribution 4.0 International (CC BY 4.0) application/pdf
institution Universidad Nacional de La Plata
institution_str I-19
repository_str R-120
collection SEDICI (UNLP)
language Inglés
topic Química
denaturation
viscosity
backscattering
milk powder
pasteurization
dry matter
spellingShingle Química
denaturation
viscosity
backscattering
milk powder
pasteurization
dry matter
Rodríguez Arzuaga, Mariana
Abraham, Analía Graciela
Ahrné, Lilia
Pérez Montes, Marvia G.
Añón, María Cristina
Spray-dried infant formula emulsion stability as affected by pre-heat treatment and total solids content of the feed
topic_facet Química
denaturation
viscosity
backscattering
milk powder
pasteurization
dry matter
description Pre-spray-drying processing may affect stability after reconstitution of emulsion-based powders, such as infant formulas. This study aimed to evaluate the effects of pasteurization temperature and total solids (TS) of the feed on the stability of the emulsions obtained from the reconstituted powders. Four infant formula powders (50%-75 °C, 50%-100 °C, 60%-75 °C, and 60%-100 °C) were produced at pilot scale, from emulsions with 50 or 60% TS pasteurized at 75 or 100 °C for 18 s. Both the emulsion feeds and the emulsions from the reconstituted powders (12.5% TS) were analyzed. The results showed that feeds with 60% TS were flocculated, as indicated by the large particle size and viscosity and the pseudoplastic behavior. Light microscopy revealed that, during spray drying, the flocs were disrupted in 60%-100 °C, while the 60%-75 °C emulsion remained flocculated, reducing its stability post-reconstitution. Although all four emulsions were mainly stabilized by caseins, the presence of -lactoglobulin was also detected at the oil–water interface, in native state in the formulas preheated at 75 °C and aggregated in the formulas preheated at 100 °C. In conclusion, both the degree of whey protein denaturation (resulting from pasteurization) and the TS of the concentrates during infant formula production affected the emulsion stability of the reconstituted powders.
format Articulo
Articulo
author Rodríguez Arzuaga, Mariana
Abraham, Analía Graciela
Ahrné, Lilia
Pérez Montes, Marvia G.
Añón, María Cristina
author_facet Rodríguez Arzuaga, Mariana
Abraham, Analía Graciela
Ahrné, Lilia
Pérez Montes, Marvia G.
Añón, María Cristina
author_sort Rodríguez Arzuaga, Mariana
title Spray-dried infant formula emulsion stability as affected by pre-heat treatment and total solids content of the feed
title_short Spray-dried infant formula emulsion stability as affected by pre-heat treatment and total solids content of the feed
title_full Spray-dried infant formula emulsion stability as affected by pre-heat treatment and total solids content of the feed
title_fullStr Spray-dried infant formula emulsion stability as affected by pre-heat treatment and total solids content of the feed
title_full_unstemmed Spray-dried infant formula emulsion stability as affected by pre-heat treatment and total solids content of the feed
title_sort spray-dried infant formula emulsion stability as affected by pre-heat treatment and total solids content of the feed
publishDate 2022
url http://sedici.unlp.edu.ar/handle/10915/156071
work_keys_str_mv AT rodriguezarzuagamariana spraydriedinfantformulaemulsionstabilityasaffectedbypreheattreatmentandtotalsolidscontentofthefeed
AT abrahamanaliagraciela spraydriedinfantformulaemulsionstabilityasaffectedbypreheattreatmentandtotalsolidscontentofthefeed
AT ahrnelilia spraydriedinfantformulaemulsionstabilityasaffectedbypreheattreatmentandtotalsolidscontentofthefeed
AT perezmontesmarviag spraydriedinfantformulaemulsionstabilityasaffectedbypreheattreatmentandtotalsolidscontentofthefeed
AT anonmariacristina spraydriedinfantformulaemulsionstabilityasaffectedbypreheattreatmentandtotalsolidscontentofthefeed
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