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Article

Data Fusion of Fourier Transform Mid-Infrared (MIR) and Near-Infrared (NIR) Spectroscopies to Identify Geographical Origin of Wild Paris polyphylla var. yunnanensis

1
Institute of Medicinal Plants, Yunnan Academy of Agricultural Sciences, Kunming 650200, China
2
College of Traditional Chinese Medicine, Yunnan University of Chinese Medicine, Kunming 650500, China
*
Authors to whom correspondence should be addressed.
Academic Editors: Christian Huck and Krzysztof B. Bec
Molecules 2019, 24(14), 2559; https://doi.org/10.3390/molecules24142559
Received: 16 May 2019 / Revised: 8 July 2019 / Accepted: 11 July 2019 / Published: 13 July 2019
Origin traceability is important for controlling the effect of Chinese medicinal materials and Chinese patent medicines. Paris polyphylla var. yunnanensis is widely distributed and well-known all over the world. In our study, two spectroscopic techniques (Fourier transform mid-infrared (FT-MIR) and near-infrared (NIR)) were applied for the geographical origin traceability of 196 wild P. yunnanensis samples combined with low-, mid-, and high-level data fusion strategies. Partial least squares discriminant analysis (PLS-DA) and random forest (RF) were used to establish classification models. Feature variables extraction (principal component analysis—PCA) and important variables selection models (recursive feature elimination and Boruta) were applied for geographical origin traceability, while the classification ability of models with the former model is better than with the latter. FT-MIR spectra are considered to contribute more than NIR spectra. Besides, the result of high-level data fusion based on principal components (PCs) feature variables extraction is satisfactory with an accuracy of 100%. Hence, data fusion of FT-MIR and NIR signals can effectively identify the geographical origin of wild P. yunnanensis. View Full-Text
Keywords: origin traceability; data fusion; Paris polyphylla var. yunnanensis; Fourier transform mid-infrared spectroscopy; near-infrared spectroscopy origin traceability; data fusion; Paris polyphylla var. yunnanensis; Fourier transform mid-infrared spectroscopy; near-infrared spectroscopy
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MDPI and ACS Style

Pei, Y.-F.; Zuo, Z.-T.; Zhang, Q.-Z.; Wang, Y.-Z. Data Fusion of Fourier Transform Mid-Infrared (MIR) and Near-Infrared (NIR) Spectroscopies to Identify Geographical Origin of Wild Paris polyphylla var. yunnanensis. Molecules 2019, 24, 2559. https://doi.org/10.3390/molecules24142559

AMA Style

Pei Y-F, Zuo Z-T, Zhang Q-Z, Wang Y-Z. Data Fusion of Fourier Transform Mid-Infrared (MIR) and Near-Infrared (NIR) Spectroscopies to Identify Geographical Origin of Wild Paris polyphylla var. yunnanensis. Molecules. 2019; 24(14):2559. https://doi.org/10.3390/molecules24142559

Chicago/Turabian Style

Pei, Yi-Fei, Zhi-Tian Zuo, Qing-Zhi Zhang, and Yuan-Zhong Wang. 2019. "Data Fusion of Fourier Transform Mid-Infrared (MIR) and Near-Infrared (NIR) Spectroscopies to Identify Geographical Origin of Wild Paris polyphylla var. yunnanensis" Molecules 24, no. 14: 2559. https://doi.org/10.3390/molecules24142559

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