Proteome-Based Analysis of Colloidal Instability Enables the Detection of Haze-Active Proteins in Beer

Schulte F, Flaschel E, Niehaus K (2016)
Journal of Agricultural and Food Chemistry 64(35): 6752-6761.

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Zeitschriftenaufsatz | Veröffentlicht | Englisch
Abstract / Bemerkung
Colloidal haze is a serious quality defect of bright beers that considerably reduces their shelf life and is thought to be triggered by hordeins, a class of proline-rich barley proteins. In this work, the proteomes of fresh and old beers were investigated in bottled pilsners and compared to the protein inventory of haze to identify specific haze-active proteins. Haze isolates dissolved in rehydration buffer contained high concentrations of proteins and sugars but provided protein gels with weak spot signals. Consequently, a treatment for the chemical deglycation with trifluoromethanesulfonic acid was applied, which resulted in the identification of protein Z4, LTP1, CMb, CMe, pUP13, 3a, and Bwiph as constituents of the haze proteome. Because only one hordein was detectable and the proline content in haze hydrolysates was lower than those of barley prolamins, our results suggest that this class of proteins is of minor importance for haze development.
Erscheinungsjahr
Zeitschriftentitel
Journal of Agricultural and Food Chemistry
Band
64
Zeitschriftennummer
35
Seite
6752-6761
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eISSN
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Schulte F, Flaschel E, Niehaus K. Proteome-Based Analysis of Colloidal Instability Enables the Detection of Haze-Active Proteins in Beer. Journal of Agricultural and Food Chemistry. 2016;64(35):6752-6761.
Schulte, F., Flaschel, E., & Niehaus, K. (2016). Proteome-Based Analysis of Colloidal Instability Enables the Detection of Haze-Active Proteins in Beer. Journal of Agricultural and Food Chemistry, 64(35), 6752-6761. doi:10.1021/acs.jafc.6b02467
Schulte, F., Flaschel, E., and Niehaus, K. (2016). Proteome-Based Analysis of Colloidal Instability Enables the Detection of Haze-Active Proteins in Beer. Journal of Agricultural and Food Chemistry 64, 6752-6761.
Schulte, F., Flaschel, E., & Niehaus, K., 2016. Proteome-Based Analysis of Colloidal Instability Enables the Detection of Haze-Active Proteins in Beer. Journal of Agricultural and Food Chemistry, 64(35), p 6752-6761.
F. Schulte, E. Flaschel, and K. Niehaus, “Proteome-Based Analysis of Colloidal Instability Enables the Detection of Haze-Active Proteins in Beer”, Journal of Agricultural and Food Chemistry, vol. 64, 2016, pp. 6752-6761.
Schulte, F., Flaschel, E., Niehaus, K.: Proteome-Based Analysis of Colloidal Instability Enables the Detection of Haze-Active Proteins in Beer. Journal of Agricultural and Food Chemistry. 64, 6752-6761 (2016).
Schulte, Fabian, Flaschel, Erwin, and Niehaus, Karsten. “Proteome-Based Analysis of Colloidal Instability Enables the Detection of Haze-Active Proteins in Beer”. Journal of Agricultural and Food Chemistry 64.35 (2016): 6752-6761.

2 Zitationen in Europe PMC

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Development of engineered yeast for biosorption of beer haze-active polyphenols.
Cejnar R, Hložková K, Jelínek L, Kotrba P, Dostálek P., Appl Microbiol Biotechnol 101(4), 2017
PMID: 27770176
Deep coverage of the beer proteome.
Grochalová M, Konečná H, Stejskal K, Potěšil D, Fridrichová D, Srbová E, Ornerová K, Zdráhal Z., J Proteomics 162(), 2017
PMID: 28478308

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