The formation of the large protein structure known as "gluten" during dough-mixing and bread-making processes is extremely complex. It has been established that a specific subset of the proteins comprising gluten, the glutenin subunits, directly affects dough formation and breadmaking quality. Glutenin subunits have no definitive structural differences that can be directly correlated to their a...

Chemical analysis Textural properties of dough prepared from the flours of eight sorghum cultivars were evaluated subjectively and also measured using a back-extrusion cell in an Ins&on Food Testing Instrument. The force and energy required for the extrusion of good quality cohesive dough were high. A poor quality dough was compressed into the cell without extrusion. The influence of flour-wate...

The effects of adding wheat and oat bran, at different levels and milled to varying particle size ranges, to dough formulations were investigated, with respect to aeration and dough development during mixing, expansion during proving and fi nal baked loaf characteristics. Addition of bran reduced the density of the dough at the end of mixing, largely because of the increased water absorption, w...

Effects of salep gum at concentrations of 0.5%, 1%, 3%, and 5% (w/w flour basis) and the Persian gum at concentrations of 0.5%, 1%, and 3% (w/w flour basis) and combination of the two gums at concentrations of 0.5% + 0.5%, 0.75% + 0.25%, and 0.25% + 0.75% on rheological properties of the wheat flour dough and quality of Taftoon bread were studied with regard to retardation of staling. Rheologic...

The effect of intracellular charged amino acids on freeze tolerance in dough was determined by constructing homozygous diploid arginase-deficient mutants of commercial baker's yeast. An arginase mutant accumulated higher levels of arginine and/or glutamate and showed increased leavening ability during the frozen-dough baking process, suggesting that disruption of the CAR1 gene enhances freeze t...

Wheat flour dough is a rheologically complex viscoelastic material, whose unique time-dependent properties depend on the quality of the flour, the available moisture, and the extent to which the dough is mixed. The rheological properties developed in dough during mixing are governed by the rate, amount, and type of deformation applied. As a result, dough mixers have evolved into highly complex ...

The functionality of gluten extracted from Canada Western Red Spring (CWRS) and Canada Western Extra Strong (CWES) wheat flours was evaluated and compared. The extra-strong wheat cultivars had stronger dough properties and produced smaller bread loaves than AC Barrie. Modifications of a starch displacement gluten extraction method were evaluated. For optimal gluten formation and extraction, wat...

Fourier transform horizontal attenuated total reflectance (FT-HATR) was used to examine changes in the secondary structure of gluten proteins in a flour-water dough system during mixing. Midinfrared spectra of mixed dough revealed changes in four bands in the amide III region associated with secondary structure in proteins: 1317 (alpha-helix), 1285 (beta-turn), 1265 (random coil), and 1242 cm (...

In this work, autochthonous lactic acid bacteria (LAB) were isolated from chia (Salvia hispanica L.) dough and selected on the basis of the kinetics of acidification and proteolytic activity. Strain no. C8, identified as Lactobacillus plantarum C8, was selected and used as starter to obtain chia sourdough. Lactic acid fermentation increased the organic acid mass fractions (lactic, acetic and ph...

HRUŠKOVÁ MARIE, ŠVEC IVAN. 2016. Fermented Dough Characteristics of Wheat-barley-hemp Composites. Comparison of Two Dosages of Barley and Hemp Wholemeal/Flour. Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis, 64(3): 803–812. Wheat fl our substitution by barley one led to shortening of fermentation and leavening times (about 14–57% and 35–83%, respectively) as well as to l...