Journal
JOURNAL OF FOOD SCIENCE
Volume 82, Issue 3, Pages 613-621Publisher
WILEY
DOI: 10.1111/1750-3841.13637
Keywords
bread; dough; Hoffmeister; protein functionality; zein
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Development of viscoelastic doughs from non-wheat proteins allows for a wider range of gluten-free products. Littlework has been completed to describemechanisms of zein functionality in food systems. To identify factors responsible for dough development in zein-starchmixtures and their influence on zein bread quality, a mixture of 20% zein-80% maize starch was mixed with water and various reagents. Salts, NaSCN, NaCl, and Na2SO4 were evaluated at concentrations from 0 to 2M for their influence on the properties of zein-starch dough systems. NaSCN at low concentrations produced softer dough. Ethanol treatments produced softer more workable dough in the absence of salts. Increasing concentrations of NaCl and Na2SO4 resulted in coalescing of the proteins and no dough formation. The addition of beta-ME had minimal softening effects on zein-starch dough. Specific volumes of zein-starch bread increased with decreasing NaCl addition in bread formulations. Likewise, including 5% ethanol (v/v) in the bread formula increased bread quality.
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