Influence of Mixing Speed on Dough Microstructure and Rheology

The influence of mixing speed (80, 160 and 250 rpm) on dough microstructure and dough rheology has been investigated using epifluorescence light microscopy and Mixolab device. Principal component analysis was used to highlight the association between some analytical characteristics of wheat flour an...

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Main Authors: Silvia Mironeasa, Georgiana Gabriela Codină
Format: Article
Language:English
Published: University of Zagreb Faculty of Food Technology and Biotechnology 2013-01-01
Series:Food Technology and Biotechnology
Subjects:
Online Access:http://hrcak.srce.hr/file/169432
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author Silvia Mironeasa
Georgiana Gabriela Codină
author_facet Silvia Mironeasa
Georgiana Gabriela Codină
author_sort Silvia Mironeasa
collection DOAJ
description The influence of mixing speed (80, 160 and 250 rpm) on dough microstructure and dough rheology has been investigated using epifluorescence light microscopy and Mixolab device. Principal component analysis was used to highlight the association between some analytical characteristics of wheat flour and Mixolab parameters during the initial kneading process (1st stage) at different mixing speeds. Significant correlations were found between the gluten deformation index and some Mixolab parameters (dough development time, work input at maximum consistency during stage 1) at all used mixing speeds. For each of the mixing speeds used, a mathematical model was developed using dough consistency and work input at different processing times (1, 2, 3, 4 and 5 min) as variables. The dough consistency and time point parameters give the best explanation of the variation of the work input, at the same mixing speeds and times.
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spelling doaj.art-d8f3aab8c24a4be486376db62c93c6752023-12-02T19:00:17ZengUniversity of Zagreb Faculty of Food Technology and BiotechnologyFood Technology and Biotechnology1330-98621334-26062013-01-01514509519Influence of Mixing Speed on Dough Microstructure and RheologySilvia Mironeasa0Georgiana Gabriela Codină1Ştefan cel Mare University of Suceava, Faculty of Food Engineering, Universităţii 13, RO-720229 Suceava, RomaniaŞtefan cel Mare University of Suceava, Faculty of Food Engineering, Universităţii 13, RO-720229 Suceava, RomaniaThe influence of mixing speed (80, 160 and 250 rpm) on dough microstructure and dough rheology has been investigated using epifluorescence light microscopy and Mixolab device. Principal component analysis was used to highlight the association between some analytical characteristics of wheat flour and Mixolab parameters during the initial kneading process (1st stage) at different mixing speeds. Significant correlations were found between the gluten deformation index and some Mixolab parameters (dough development time, work input at maximum consistency during stage 1) at all used mixing speeds. For each of the mixing speeds used, a mathematical model was developed using dough consistency and work input at different processing times (1, 2, 3, 4 and 5 min) as variables. The dough consistency and time point parameters give the best explanation of the variation of the work input, at the same mixing speeds and times.http://hrcak.srce.hr/file/169432Mixolabwork inputmixing speedwheat flourepifluorescence light microscopy (EFLM)
spellingShingle Silvia Mironeasa
Georgiana Gabriela Codină
Influence of Mixing Speed on Dough Microstructure and Rheology
Food Technology and Biotechnology
Mixolab
work input
mixing speed
wheat flour
epifluorescence light microscopy (EFLM)
title Influence of Mixing Speed on Dough Microstructure and Rheology
title_full Influence of Mixing Speed on Dough Microstructure and Rheology
title_fullStr Influence of Mixing Speed on Dough Microstructure and Rheology
title_full_unstemmed Influence of Mixing Speed on Dough Microstructure and Rheology
title_short Influence of Mixing Speed on Dough Microstructure and Rheology
title_sort influence of mixing speed on dough microstructure and rheology
topic Mixolab
work input
mixing speed
wheat flour
epifluorescence light microscopy (EFLM)
url http://hrcak.srce.hr/file/169432
work_keys_str_mv AT silviamironeasa influenceofmixingspeedondoughmicrostructureandrheology
AT georgianagabrielacodina influenceofmixingspeedondoughmicrostructureandrheology