+1 vote
in Fermentation Technology by (72.1k points)
High-gravity beers have better ____________

(a) Colloidal stability

(b) Liquid stability

(c) Suspension stability

(d) Solution stability

I got this question during an interview.

The doubt is from High Gravity Brewing and Glossary in chapter SCADA System for Bioreactors, Beer and Brewing of Fermentation Technology

1 Answer

+2 votes
by (424k points)
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Best answer
Right choice is (a) Colloidal stability

Explanation: High-gravity brewing has better colloidal stability. This is due to the fact that the precipitation of polyphenol proteins increases due to the higher concentration of ethanol produced. Higher ethanol yields produce better stability to beers.

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