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Open AccessFeature PaperReview

The Brewing Industry and the Opportunities for Real-Time Quality Analysis Using Infrared Spectroscopy

by Glen Fox 1,2
1
Department of Food Science & Technology, University of California, Davis, CA 95616, USA
2
Centre for Nutrition and Food Science, Queensland Alliance for Agriculture & Food Innovation, University of Queensland, St Lucia, QLD 4072, Australia
Appl. Sci. 2020, 10(2), 616; https://doi.org/10.3390/app10020616
Received: 15 November 2019 / Revised: 21 December 2019 / Accepted: 23 December 2019 / Published: 15 January 2020
(This article belongs to the Special Issue Non-destructive Sensors in Food Authentication)
Brewing is an ancient process which started in the middle east over 10,000 years ago. The style of beer varies across the globe but modern brewing is very much the same regardless of the style. While there are thousands of compounds in beer, current methods of analysis rely mostly on the content of only several important processing parameters such as gravity, bitterness, or alcohol. Near infrared and mid infrared spectroscopy offer opportunities to predict dozens to hundreds of compounds simultaneously at different stages of the brewing process. Importantly, this is an opportunity to move deeper into quality through measuring wort and beer composition, rather than just content. This includes measuring individual sugars and amino acids prior to fermentation, rather than total °Plato or free amino acids content. Portable devices and in-line probes, coupled with more complex algorithms can provide real time measurements, allowing brewers more control of the process, resulting in more consistent quality, reduced production costs and greater confidence for the future.
Keywords: barley; malt; beer; near infrared; mid infrared; fermentation; alcohol; in-line quality barley; malt; beer; near infrared; mid infrared; fermentation; alcohol; in-line quality
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MDPI and ACS Style

Fox, G. The Brewing Industry and the Opportunities for Real-Time Quality Analysis Using Infrared Spectroscopy. Appl. Sci. 2020, 10, 616.

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