Simultaneous Quantitation of Caffeic Acid and Ferulic Acid Based on Graphite-like C3N4/chitosan Modified Film

文献类型： 外文期刊

第一作者： Jing, Lijun

作者： Jing, Lijun;Lin, Jun;Fei, Qiqi;Yang, Xiaodi;Jing, Lijun;Lin, Jun;Fei, Qiqi;Yang, Xiaodi;Sun, Chong;Tang, Haowei

作者机构：

关键词： Graphite-like carbon nitride;Caffeic acid;Ferulic acid;Electrochemical determination

期刊名称：INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE （ 影响因子：1.765； 五年影响因子：1.685 ）

ISSN： 1452-3981

年卷期： 2017 年 12 卷 9 期

页码：

收录情况： SCI

摘要： Caffeic acid (CA) and ferulic acid (FA), as the simple phenolic acids, widely exist in plants and food. In this experiment, a novel method based on graphite-like carbon nitride (g-C3N4) and chitosan (CS) was applied to determinate CA and FA in food samples. X-Ray diffraction (XRD), fourier transform infrared spectrometer (FTIR), ultraviolet visible spectrophotometer (UV-vis) and transmission electron microscope (TEM) were illustrated that g-C3N4 was synthesized successfully and had a unique two-dimensional structure. Under the optimized conditions, including the scan rate, pH and so on, the modified electrode had a sensitive response to CA and FA in the range of 1-30 mu g/mL and 5-30 mu g/mL with the detection limits of 0.354 mu g/mL and 4.964 mu g/mL (S/N=3), respectively. The electrochemical method showed satisfactory results and provided a new approach to determinate phenolic acids with many advantages, such as rapid response, easy operation, low cost and highly sensitive.

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