Journal
ANALYTICA CHIMICA ACTA
Volume 1085, Issue -, Pages 1-20Publisher
ELSEVIER
DOI: 10.1016/j.aca.2019.07.061
Keywords
Beverage; Hops; Fermentation; iso-alpha-acids; Bacteria; Polyphenols
Categories
Funding
- Restek Corporation
- Collaborative Laboratories for Environmental Analysis and Remediation (CLEAR) at The University of Texas Arlington
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Beer is an incredibly complex beverage containing more than 3000 different compounds, including carbohydrates, proteins, ions, microbes, organic acids, and polyphenols, among others. Beer becomes even more complex during storage, for over time it may undergo chemical changes that negatively affect the flavor, aroma, and appearance. Thus, it can be expected that maintaining the quality of beer throughout its lifetime is a difficult task. Since it is such a popular drink throughout the world, being familiar with proper analytical techniques for beer evaluation is useful for researchers and brewers. These techniques include, but are not limited to, gas chromatography, liquid chromatography, matrix assisted laser desorption/ionization, capillary electrophoresis, mass spectrometry, ultraviolet-visible spectroscopy, and flame ionization detection. This review aims to summarize the various ingredients and components of beer, discuss how they affect the finished product, and present some of the analytical methods used for quality control and understanding the formation of chemicals in beer during the brewing process. (C) 2019 Elsevier B.V. All rights reserved.
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