Document Detail


Improvements in the bread-making quality of gluten-free rice batter by glutathione.
MedLine Citation:
PMID:  20515077     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The wide prevalence of celiac disease and wheat allergy has led to a growing demand for gluten-free foods. Rice proteins do not possess the viscoelastic properties typically found in gluten, thus making rice flour unsuitable for the production of yeast-leavened products. In the present study, we found that the addition of glutathione to rice batter improves its gas-retaining properties. Glutathione was found to prevent the formation of the disulfide-linked macromolecular protein barrier, which is reported to confer resistance to the deformation of rice batter in the baking process. Also, glutathione appeared to gelatinize rice starch at lower temperatures. Microstructure analyses of glutathione-added rice bread revealed it to have a perforated structure like wheat bread but with a smoother-looking surface. These data collectively suggest that glutathione facilitates the deformation of rice batter, thus increasing its elasticity in the early stages of bread baking and the volume of the resulting bread.
Authors:
Hiroyuki Yano
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Publication Detail:
Type:  Evaluation Studies; Journal Article    
Journal Detail:
Title:  Journal of agricultural and food chemistry     Volume:  58     ISSN:  1520-5118     ISO Abbreviation:  J. Agric. Food Chem.     Publication Date:  2010 Jul 
Date Detail:
Created Date:  2010-07-07     Completed Date:  2010-10-21     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0374755     Medline TA:  J Agric Food Chem     Country:  United States    
Other Details:
Languages:  eng     Pagination:  7949-54     Citation Subset:  IM    
Affiliation:
National Food Research Institute, National Agriculture and Food Research Organization, Kannondai 2-1-12, Tsukuba, Ibaraki 305-8642, Japan. hyano@affrc.go.jp
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MeSH Terms
Descriptor/Qualifier:
Bread / analysis*
Cookery / methods*
Glutathione / analysis*
Glutens / chemistry*
Oryza sativa / chemistry*
Plant Proteins / chemistry
Chemical
Reg. No./Substance:
0/Plant Proteins; 70-18-8/Glutathione; 8002-80-0/Glutens

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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