Determination of Isoxanthohumol, Xanthohumol, Alpha and Beta Bitter Acids, and trans and cis-Iso-Alpha Acids by HPLC with UV and Electrochemical Detection: Application to Hop and Beer Analysis

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Beer is the most widely consumed alcoholic beverage in the world and the third most popular drink after water and tea. It is typically brewed from four basic ingredients: water, a
starch source (e.g., malted barley), brewer’s yeast, and a flavoring agent such as hops.