Modeling the effects of the quantity and particle size of wheat bran on some properties of bread dough using response surface methodology

Mahsa Majzoobi, Safoora Pashangeh, Ladan Aminlari, Asgar Farahnaky

Research output: Contribution to journalArticle

5 Citations (Scopus)
164 Downloads (Pure)

Abstract

The aim of this study was to find empirical models for some properties of bread dough as a function of bran concentration and particle size using D-Optimal made by Design Expert Software. Wheat flour was replaced with 0, 5, 10, 15 and 20% (w/w, flour basis) wheat bran at particle sizes of 170, 280, 425 and 750 μm. Increasing bran concentration and particle size enhanced dough water absorption. Dough arrival and development times increased, while dough stability time, tolerance to mixing and volume rising decreased as the bran particle size and concentration increased. The dough became darker, more reddish and yellower with increasing bran concentration and particle size. Dough hardness increased while cohesiveness decreased with addition of bran concentration and particle size. In general, strong correlations between dough properties with bran quantity and particle size were established. Bran concentration had stronger effect on dough properties compared to its particle size.
Original languageEnglish
Pages (from-to)511-519
Number of pages9
JournalInternational Journal of Food Engineering
Volume10
Issue number3
DOIs
Publication statusPublished - Jun 2014

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bread dough
Bread
Dietary Fiber
wheat bran
response surface methodology
Particle Size
bran
particle size
dough
Particle size
Flour
Software Design
Hardness
Water absorption
cohesion
wheat flour
Triticum
hardness
flour
Water

Cite this

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AU - Aminlari, Ladan

AU - Farahnaky, Asgar

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AB - The aim of this study was to find empirical models for some properties of bread dough as a function of bran concentration and particle size using D-Optimal made by Design Expert Software. Wheat flour was replaced with 0, 5, 10, 15 and 20% (w/w, flour basis) wheat bran at particle sizes of 170, 280, 425 and 750 μm. Increasing bran concentration and particle size enhanced dough water absorption. Dough arrival and development times increased, while dough stability time, tolerance to mixing and volume rising decreased as the bran particle size and concentration increased. The dough became darker, more reddish and yellower with increasing bran concentration and particle size. Dough hardness increased while cohesiveness decreased with addition of bran concentration and particle size. In general, strong correlations between dough properties with bran quantity and particle size were established. Bran concentration had stronger effect on dough properties compared to its particle size.

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