Feasibility Study on the Geographical Indication of Lycium barbarum Based on Electrochemical Fingerprinting Technique

文献类型： 外文期刊

第一作者： Shi, Xin

作者： Shi, Xin;Wang, Xiaojing;Zhang, Yan;Fan, Boyuan;Fu, Li;Zheng, Yuhong;Zheng, Yuhong;Zheng, Yuhong

作者机构：

关键词： Geographical indication; Lycium barbarum; Fast identification; Fingerprints; Chinese wolfberry

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： 2021 年 16 卷 7 期

页码：

收录情况： SCI

摘要： Rapid traceability of plant products is important for food safety. Because plant tissues contain electrochemically active substances such as polyphenols, their electrochemical fingerprint can be used as a basis for geographic determination. In this paper, we propose an electrochemical fingerprinting technique for species identification and geographical indication using Chinese wolfberry (Lycium barbarum). We selected a total of nine Chinese wolfberry varieties. We also collected Chinese wolfberries of the same variety from different geographical areas (across provinces). Samples of a single variety of Chinese wolfberry presented very consistent electrochemical behaviors in two buffer solutions. The electrochemical behavior of a single variety of Chinese wolfberry grown in different geographical areas was also very similar, because the range of electrochemically active substances in their tissues is mainly controlled by genetics. Therefore, variations in electrochemically active substances were not very substantial. However, we found that by identifying small differences in electrochemical fingerprints, it was possible to differentiate Chinese wolfberries grown in different provinces.

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