Research on fast identification of transgenic oil based on near infrared spectroscopy

Jianguo ZHU; Yajing WANG; Zhiqin YIN; Leiying XIE; Na WANG; Duo CAO

doi:10.3969/j.issn.1005-5630.2020.04.010

Optical Instruments, Volume. 42, Issue 4, 61(2020)

Research on fast identification of transgenic oil based on near infrared spectroscopy

Jianguo ZHU^1,3,4, Yajing WANG^2,3,4, Zhiqin YIN^3,4, Leiying XIE^3,4,5, Na WANG^3,4,6, and Duo CAO^2、*

Author Affiliations

¹School of Materials Science and Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China

²Department of Physics, Shanghai Normal University, Shanghai 200234, China

³State Key Laboratory of Infrared Physics, Shanghai Institute of Technical Physics, Chinese Academy of Sciences, Shanghai 200083, China

⁴Shanghai Engineering Research Center of Energy-Saving Coatings, Shanghai 200083, China

⁵School of Material Science, Shanghai University of Science and Technology, Shanghai 200120, China

⁶School of Information Science and Engineering, Fudan University, Shanghai 200433, China

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Figures & Tables(5)

Fig. 1. Spectra of genetically modified oil and non-transgenic oil in the near-infrared region

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Fig. 2. Different methods preprocessed spectra

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Fig. 3. Characteristic wavelength results selected by successive projections algorithm（SPA）

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Fig. 4. Model prediction（Label 1 is a genetically modified oil, and label −1 is a non-transgenic oil）

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Table 1.
Prediction results of different pretreatment methods
不同数据预处理方法的预测结果
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Table 1.
Prediction results of different pretreatment methods
不同数据预处理方法的预测结果
预处理方法准确率/%
多元散射校正 91.6
Savitzky-Golay平滑一阶导数 71.6
移动窗口平滑 65.0
一阶导数 75.0

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Jianguo ZHU, Yajing WANG, Zhiqin YIN, Leiying XIE, Na WANG, Duo CAO. Research on fast identification of transgenic oil based on near infrared spectroscopy[J]. Optical Instruments, 2020, 42(4): 61

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