An app knows if a beer has gone stale 12.01.2017    10:41 / Technological innovations

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

The system developed by the researchers at the UCM consists of sensor discs that detect the presence of furfural in beer. These sensors, made from a polymer similar to the one used to manufacture contact lenses, have been designed to change colour (from yellow to pink) when they come into contact with a beer containing furfural.

 

The application is available as open source, meaning that any programmer can utilise and modify it to be used on other platforms. In the future it will also be available for Apple IOS.

Открытые системы” 

 

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