Monday, May 23, 2016

An app knows if a beer has gone stale

Chemists have developed a method that allows brewers to measure the freshness of beer, using a polymer sensor that changes color upon detecting furfural, a compound that appears when this beverage ages and gives it a stale flavor. The sensor can be controlled from a smartphone app also created by the team.

from Geochemistry News -- ScienceDaily http://ift.tt/20r5wZK
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