Citation: JIA Ming-Yan, YANG Mao-Hua, PENG Lu-Lin, ZHANG Mei, FENG Liang. Rapid Discrimination of Fritillary Herbs by A Photochemical Colorimetric Sensor Array[J]. Chinese Journal of Analytical Chemistry, ;2021, 49(3): 424-431. doi: 10.19756/j.issn.0253-3820.201662 shu

Rapid Discrimination of Fritillary Herbs by A Photochemical Colorimetric Sensor Array

1.
College of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China;
2.
CAS Key Laboratory of Separation Science and Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China

Corresponding author: ZHANG Mei, FENG Liang,
Received Date: 8 November 2020
Revised Date: 6 January 2021

Fund Project: National Natural Science Foundation of China (Nos. 82003907, 81774202) and the Chengdu University of Traditional Chinese Medicine Xinglin Scholar Discipline Talent Research Promotion Program (Nos. CXTD2018010, BSH2018011).

Fritillaria is a kind of traditional Chinese medicine commonly used in China. Fritillaria has the effect of relieving cough and reducing phlegm, but its curative effect and price are quite different. In the market, the confusion and adulteration of Fritillaria medicinal materials are very common, the traditional character identification and microscopic identification cannot meet the actual needs, and the modern identification methods generally have the limitations of long analysis time, high instrument requirements, and high price. This work was based on the organic acids and nucleosides in Fritillaria, with the help of two color development principles, "indicator displacement" and "changes in pH", using commercial indicators with cross-response to build a 3×3 photochemical colorimetric sensor array for rapid identification of Fritillaria medicinal materials. The sensor array had different color change patterns in different fritillary herbs, which constituted the unique fingerprint of fritillary herbs. Partial least square discriminant analysis (PLS-DA) was used for distinguishing and identifying Chuanbeimu, Hubeibeimu, Pingbeimu, Yibeimu, Zhebeimu, fake Fritillaria, so as to realize the accurate and rapid distinguishing of Fritillaria. This work provided a simple and cost-effective method for the rapid identification and quality control of Fritillaria.
- Fritillary herbs,
- Discrimination,
- Colorimetric sensor array,
- Indicators displacement assay,
- Partial least squares discriminant analysis
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