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|Title:||Lab-on-a-disc for simultaneous determination of total phenolic content and antioxidant activity of beverage samples|
Yoon Kyoung Cho
Ulsan National Institute of Science and Technology
|Keywords:||Biochemistry, Genetics and Molecular Biology;Chemical Engineering;Chemistry;Engineering|
|Citation:||Lab on a Chip. Vol.16, No.17 (2016), 3268-3275|
|Abstract:||© 2016 The Royal Society of Chemistry. In this paper, we present a fully integrated and automated lab-on-a-disc for the rapid determination of the total phenolic content (TPC) and antioxidant activity (AA) of beverage samples. The simultaneous determinations of TPC and AA on a spinning disc were achieved by integrating three independent analytical techniques: the Folin-Ciocalteu method that is used to measure TPC, the 2,2-diphenyl-1-picrylhydrazyl radical (DPPH) method and the ferric reducing antioxidant power method that are used to measure AA. The TPC and AA of 8 different beverage samples, including various fruit juices, tea, wine and beer, were analyzed. Unlike conventional labor-intensive processes for measuring TPC and AA, our fully automated platform offers one-step operation and rapid analysis.|
|Appears in Collections:||Scopus 2016-2017|
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