Geographical discrimination and adulteration analysis for edible oils using two-dimensional correlation spectroscopy and convolutional neural networks (CNNs)
文献类型： 外文期刊
作者： Liu, Yan 1 ; Yao, Liyun 1 ; Xia, Zhenzhen 2 ; Gao, Yonggui 1 ; Gong, Zhiyong 1 ;
作者机构： 1.Wuhan Polytech Univ, Coll Food Sci & Engn, Wuhan 430023, Peoples R China
2.Hubei Acad Agr Sci, Inst Agr Qual Stand & Testing Technol Res, Wuhan 430064, Peoples R China
3.Wuhan Polytech Univ, Coll Food Sci & Engn, Key Lab Deep Proc Major Grain & Oil, Minist Educ, Wuhan 430064, Peoples R China
4.Wuhan Polytech Univ, Coll Food Sci & Engn, Hubei Key Lab Proc & Transformat Agr Prod, Wuhan 430023, Peoples R China
关键词： Edible oils; Convolutional neural networks; Near infrared spectroscopy; Two-dimensional correlation spectroscopy
期刊名称：SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY （ 影响因子：4.098； 五年影响因子：3.464 ）
ISSN： 1386-1425
年卷期： 2021 年 246 卷
页码：
收录情况： SCI
摘要： Geographical discrimination and adulteration analysis play significant roles in edible oil analysis. A novel method for discrimination and adulteration analysis of edible oils were proposed in this study. The two-dimensional correlation spectra of edible oils were obtained by solvents perturbation and the convolutional neural networks (CNNs) were constructed to analyze the synchronous and asynchronous correlation spectra of the edible oils. The differences for geographical origins of oils or oil types could be amplificated through the networks. For different networks, the layer sequences and the filter number of convolutional layers may affect the analysis results. A group of sesame oils from different geographical origins and a group of olive oils adulterated by other vegetable oils were adopted to evaluate the proposed method. The results show that the proposed method may provide an alternative method for edible oil discrimination and adulteration analysis in practical applications. For the two datasets, the prediction accuracy could be 97.3% and 88.5%, respectively. (C) 2020 Elsevier B.V. All rights reserved.
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