Haze formation in model beer systems - PubMed
- ️Sat Jan 01 2005
. 2005 Dec 28;53(26):10161-5.
doi: 10.1021/jf0506941.
Affiliations
- PMID: 16366710
- DOI: 10.1021/jf0506941
Haze formation in model beer systems
Michaela Miedl et al. J Agric Food Chem. 2005.
Abstract
The interaction of a haze-active protein (gliadin) and a haze-active polyphenol (tannic acid) was studied in a model beer system in order to investigate the principle mechanisms of haze formation at low temperatures. Low concentrations (g/L) of tannic acid, high concentrations of gliadin, and comparatively high temperatures lead to maximum haze values. When considered on a molar basis, the greatest haze levels are displayed at an approximate 1:1 equivalence of polyphenol and protein. The greater part of haze formation was completed within 0.5 h, irrespective of the concentration of gliadin, the concentration of tannic acid, and the temperature of the model solution.
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