利用 1290 Infinity II 液相色谱测定啤酒中的苦味和类似丁香的味道cis-ad-TH

2017/12/20   下载量: 6

方案摘要

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应用领域 食品/农产品
检测样本 啤酒
检测项目
参考标准 -

The Agilent 1290 Infinity II LC was used to determine the bitter compounds iso-alpha-acids and reduced iso-alpha-acids, and the clove-like phenolic flavor 4-vinylguaiacol in bottled beer. A six-minute UHPLC method was developed to measure these important solutes in a single run. Diode array and fluorescence detectors (DAD and FLD) were placed in-series for quantification of iso-alpha-acids and reduced iso-alpha-acids, and of 4-vinylguaiacol, respectively. The fluorescence detector provided a selective, sensitive, and accurate determination of ppb amounts of 4-vinylguaiacol. Some figures of merit are presented together with the profiles of a series of different beers.

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上一篇 使用 Agilent InfinityLab 在线液相色谱 系统实现对流动化学反应器中反应过 程的实时监测
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