University of North Florida
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Stuart Chalk, Ph.D.
Department of Chemistry
University of North Florida
Phone: 1-904-620-1938
Fax: 1-904-620-3535
Website: @unf

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Classification: Agricultural -> grain -> malt -> congress

Citations 1

"Relationships Among The β-glucan Contents Of Barley, Malt, Malt Congress Extract, And Beer"
J. Am. Soc. Brew. Chem. 1998 Volume 56, Issue 4 Pages 164-168
M. J. Edney, D. E. LaBerge, and D. E. Langrell

Abstract: Malting barley breeders have directed a sustained effort toward reducing β-glucan problems through selection of lines exhibiting low barley β-glucan content. This study determined β-glucan contents in barley, malt, and Congress ext. in an effort to define this relationship and to determine which best predicts levels obtained in beer. The impact of environment and genotype on this relationship and prediction was also considered. In total, 60 samples of barley and the corresponding malts, Congress fine-ground extracts, and beers were analyzed for β-glucan content using the Calcofluor-flow injection method of anal. β-Glucan contents of malt and Congress ext. were highly correlated with levels detected in the beer produced from those malts. The correlation between the β-glucan content of barley and beer was significantly lower. This study also demonstrated the strong influence of environmental growing conditions of the β-glucan contents of barley, malt, Congress ext., and beer, although the genetic component was also significant for malt, Congress extract, and beer.
β-Glucan Fluorescence