Analytical of different kinds of zanthoxylum bungeanum by fourier transform infrared spectroscopy

Dianxu Ma; Xiaopan Li; Yan Cai; Changji Shan; Guofang Du

doi:10.1117/12.3017596

15 January 2024 Analytical of different kinds of zanthoxylum bungeanum by fourier transform infrared spectroscopy

Dianxu Ma, Xiaopan Li, Yan Cai, Changji Shan, Guofang Du

Proceedings Volume 12983, Second International Conference on Electrical, Electronics, and Information Engineering (EEIE 2023); 1298318 (2024) https://doi.org/10.1117/12.3017596
Event: Second International Conference on Electrical, Electronics, and Information Engineering (EEIE 2023), 2023, Wuhan, China

Abstract

Four different kinds of Chinese prickly ash were analysed and discriminated by Fourier Transform Infrared Spectroscopy (FTIR), pearson correlation analysis, second derivative infrared spectroscopy, and Principal component analysis (PCA). The FTIR of four different kinds of Chinese prickly ash were similar on the whole wavenumber, the characteristic absorption peaks were at 1619cm-1 and 1059cm-1 whose showed that they are rich in acid amide. The Maximum correlation coefficient were showed between Da hongpao and Xiao hongpao is 0.988, but among Xiao hongpao and Jiu yeqing is 0.829, in pearson correlation analysis. They all showed strong correlation. The obvious differences were showed in the range of 1400~800 cm-1 by second derivative infrared spectroscopy, especially characteristic absorption peaks 1178cm-1 and 989cm-1 in Jiu yeqing . Jiu yeqing and Da hongpao were discriminated in Principal component analysis and the correct rate is 100%; Moreover there is a sample of Xiao hongpao closed to Xuejiao, but the others can gather in different spaces, so the correct discrimination rate is 97.5%. In conclusion, The FTIR can analyze the internal structure of Chinese prickly ash, and FTIR combined with correlation analysis, second derivative spectrum and PCA can accurately distinguish different kinds of Chinese prickly ash. This method is simple, convenient and fast.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Dianxu Ma, Xiaopan Li, Yan Cai, Changji Shan, and Guofang Du "Analytical of different kinds of zanthoxylum bungeanum by fourier transform infrared spectroscopy", Proc. SPIE 12983, Second International Conference on Electrical, Electronics, and Information Engineering (EEIE 2023), 1298318 (15 January 2024); https://doi.org/10.1117/12.3017596

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KEYWORDS

FT-IR spectroscopy

Absorption

Principal component analysis

Infrared spectroscopy

Statistical analysis

Vibration

Analytical research

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