A comparison of standard and nonstandard measures of malt quality

Journal of the American Society of Brewing Chemists

Volumn 66, Issue 1, 2008, Pages 11-19

  Henson, Cynthia A ^a,b   Duke, Stanley H ^b  

^a U S DAIRY FORAGE RESEARCH CENTER   (United States)

^b UNIVERSITY OF WISCONSIN MADISON   (United States)

Author keywords

amylase; glucosidase; amylase; Enzyme thermostability; Limit dextrinase; Osmolyte concentration

Indexed keywords

HORDEUM;

EID: 38949206389     PISSN: 03610470     EISSN: None     Source Type: Journal    
DOI: 10.1094/ASBCJ-2007-1210-01     Document Type: Article

References (24)

1. Allison, M. J. Genetic studies on the β-amylase isozymes of barley malt. Genetica 44:1-15, 1973.
2. American Society of Brewing Chemists. Methods of Analysis, 7th ed. The Society, St. Paul, MN, 1976.
3. American Society of Brewing Chemists. Methods of Analysis, 8th ed. The Society, St. Paul, MN, 1996.
4. Arends, A. M., Fox, G. P., Henry, R. J., Marschke, R. J., and Symons, M. H. Genetic and environmental variation in the diastatic power of Australian barley. J. Cereal Sci. 21:63-70, 1995.
5. Clark, S. E., Hayes, P. M., and Henson, C. A. Effects of single nucleotide polymorphisms in β-amylase 1 alleles from barley on functional properties of the enzymes. Plant Physiol. Biochem. 41:798-804, 2003.
6. Duke, S. H., and Henson, C. A. Green malt osmolyte concentration as an early indicator of finished malt quality. J. Am. Soc. Brew. Chem. 65: 145-150, 2007.
7. Eglinton, J. K., Langridge, P., and Evans, D. E. Thermostability variation in alleles of barley β-amylase. J. Cereal Sci. 28:301-309, 1998.
8. Erkkila, M. J., Leah, R., Ahokas, H., and Cameronmills, V. Allele-dependent barley grain β-amylase activity. Plant Physiol. 117:679-685, 1998.
9. Evans, D. E., Collins, H., Eglinton, J., and Wilhelmson, A. Assessing the impact of the level of diastatic power enzymes and their thermostability on the hydrolysis of starch during wort production to predict malt fermentability. J. Am. Soc. Brew. Chem. 63:185-198, 2005.
10. Gibson, T. S., Solah, V., Glennie Holmes, M. R., and Taylor, H. R. Diastatic power in malted barley: Contributions of malt parameters to the development and the potential of barley grain β-amylase to predict malt diastatic power. J. Inst. Brew. 101:277-280, 1995.
11. Gunkel, J., Voetz, M., and Rath, F. Effect of the malting barley variety (Hordeum vulgare) on fermentability. J. Inst. Brew. 108:355-361, 2002.
12. Henson, C. A., and Duke, S. H. Osmolyte concentration as an indicator of malt quality. J. Am. Soc. Brew. Chem. 65:59-62, 2007.
13. Kaneko, T., Asakura, T., Ito, K., and Takeda, K. Genetic analysis of β-amylase thermostability to develop a DNA marker for malt fermentability improvement in barley Hordeum vulgare. Plant Breed. 119: 197-201, 2000.
14. Kihara, M., Kaneko, T., and Ito, K. Genetic variation of β-amylase thermostability among varieties of barley, Hordeum vulgare L., and relation to malting quality. Plant Breed. 117:425-428, 1998.
15. Kihara, M., Kaneko, T., Ito, K., and Takeda, K. Geographical variation of β-amylase thermostability among varieties of barley (Hordeum vulgare) and β-amylase deficiency. Plant Breed. 118:453-455, 1999.
16. Ma, Y. F, Evans, D. E., Logue, S. J., and Langridge, P. Mutations of barley β-amylase that improve substrate-binding affinity and thermostability. Mol. Genet. Genomics 266:345-352, 2001.
17. Ma, Y., Langridge, P., Logue, S. J., and Evans, D. E. A single amino acid substitution that determines IEF band pattern of barley β-amylase. J. Cereal Sci. 35:79-84, 2002.
18. Malysheva-Otto, L. V., and Roder, M. S. Haplotype diversity in the endosperm specific β-amylase gene Bmy1 of cultivated barley (Hordeum vulgare L.). Mol. Breed. 18:143-156, 2006.
19. Santos, M. M. M., and Riis, P. Optimized McCleary method for measurement of total β-amylase in barley and its applicability. J. Inst. Brew. 102:271-275, 1996.
20. Siebert, K. J. Multivariate analysis of routine beer analysis results. J. Am. Soc. Brew. Chem. 63:113-120, 2005.
21. Sjakste, T. G., and Zhuk, A. F. Novel haplotype description and structural background of the eventual functional significance of the barley β-amylase gene intron III rearrangements. Theor. Appl. Genet. 113: 1063-1079, 2006.
22. Sun, Z., and Henson, C. A. Degradation of native starch granules by barley α-glucosidases. Plant Physiol. 94:320-327, 1990.
23. Sun, Z., and Henson, C. A. A quantitative assessment of the importance of barley seed α-amylase, β-amylase, debranching enzyme, and α-glucosidase in starch degradation. Arch. Biochem. Biophys. 284: 298-305, 1991.
24. Zhang, W., Kaneko, T., Ishii, M., and Takeda, K. Differentiation of β-amylase phenotypes in cultivated barley. Crop Sci. 44:1608-1614, 2004.