Determination of Polyphenols in Lycopus lucidus Turcz by Capillary Electrophoresis with Electrochemical Detection

You Yuan Peng

doi:10.4028/www.scientific.net/AMR.750-752.1613

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 750-752Determination of Polyphenols in Lycopus lucidus...

Determination of Polyphenols in Lycopus lucidus Turcz by Capillary Electrophoresis with Electrochemical Detection

Abstract:

A method based on capillary electrophoresis with electrochemical detection was developed for the determination of polyphenols in Lycopus Lucidus Turcz. Operated in a wall-jet configuration, a 300 μm diameter carbon-disk electrode was used as the working electrode. Under the optimum conditions, the targeted analytes, i.e. rutin, chlorogenic acid, apigenin, luteolin and quercetin were baseline separated within 25 min in a 60mmol/L borate buffer (pH 9.0). Notably, excellent linearity was obtained over three orders of magnitude with detection limits (S/N=3) ranging from 1×10^-7 g/mL to 1×10^-6 g/mL for all analytes.

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Advanced Materials Research (Volumes 750-752)

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1613-1616

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.750-752.1613

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Online since:

August 2013

Authors:

You Yuan Peng

Keywords:

Capillary Electrophoresis, Electrochemical Detection, L L. Lucidus Turcz, Polyphenol

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