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In brewing, Lactobacillus is generally considered a spoilage bacteria. However, when purposely working with the bacteria, it secretes lactic acid, giving the beer a tart, lemon-like flavour. Souring can occur either before the boil (in the kettle) or after the boil (in the fermentor). Beer can also be aged in oak casks similar to the aging process of whiskey. This process imbues the beer with several flavours such as smokiness and notes of vanilla.
sour beer, lactobacillus, fermentation
. 2016. Comparative Analysis: Effects of Souring and Aging Beer. CSBE/SCGAB 2016 Annual Conference, Halifax, 3-6 July 2016.
CSBE/SCGAB 2016 Annual Conference, Halifax, 3-6 July 2016.
Poster Session (Regular)
Canadian Society for Bioengineering