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Rapid and nondestructive detection of marine fishmeal adulteration by hyperspectral imaging and machine learning

文献类型: 外文期刊

作者: Kong, Dandan 1 ; Sun, Dawei 3 ; Qiu, Ruicheng 1 ; Zhang, Wenkai 1 ; Liu, Yufei 1 ; He, Yong 1 ;

作者机构: 1.Zhejiang Univ, Coll Biosyst Engn & Food Sci, Hangzhou 310058, Peoples R China

2.Minist Agr & Rural Affairs, Key Lab Spect Sensing, Hangzhou 310058, Peoples R China

3.Zhejiang Acad Agr Sci, Inst Agr Equipment, Hangzhou 310021, Peoples R China

关键词: Fishmeal; Binary adulteration; Processed animal protein; NIR hyperspectral imaging; Support vector machine; Wavelength selection

期刊名称:SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY ( 影响因子:4.831; 五年影响因子:4.073 )

ISSN: 1386-1425

年卷期: 2022 年 273 卷

页码:

收录情况: SCI

摘要: Pure fishmeal (PFM) from whole marine-origin fish is an expensive and indispensable protein ingredient in most aquaculture feeds. In China, the supply shortage of domestically produced PFM has caused frequent PFM adulteration with low-cost protein sources such as feather meal (FTM) and fishmeal from by-products (FBP). The aim of this study was to develop a rapid and nondestructive detection method using near-infrared hyperspectral imaging (NIR-HSI) combined with machine learning algorithms for the identification of PFM adulterated with FTM, FBP, and the binary adulterant (composed of FTM and FBP). A hierarchical modelling strategy was adopted to acquire a better classification accuracy. Partial least squares discriminant analysis (PLS-DA) and support vector machine (SVM) coupled with four spectral preprocessing methods were employed to construct classification models. The SVM with baseline offset (BO-SVM) model using 20 effective wavelengths selected by successive projections algorithm (SPA) and competitive adaptive reweighted sampling (CARS) achieved classification accuracy of 100% and 99.43% for discriminating PFM from the adulterants (FTM, FBP) and adulterated fishmeal (AFM), respectively. This study confirmed that NIR-HSI offered a promising technique for feed mills to identify AFM containing FTM, FBP, or binary adulterants. (c) 2022 Elsevier B.V. All rights reserved.

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