Rapid and Accurate Authentication of Porcini Mushroom Species Using Fourier Transform Near-Infrared Spectra Combined with Machine Learning and Chemometrics
文献类型： 外文期刊
作者： Liu, Hong 1 ; Liu, Honggao 3 ; Li, Jieqing 1 ; Wang, Yuanzhong 2 ;
作者机构： 1.Yunnan Agr Univ, Coll Agron & Biotechnol, Kunming 650201, Peoples R China
2.Yunnan Acad Agr Sci, Med Plants Res Inst, Kunming 650200, Peoples R China
3.Zhaotong Univ, Yunnan Key Lab Gastrodia & Fungi Symbiot Biol, Zhaotong 657000, Yunnan, Peoples R China
期刊名称：ACS OMEGA （ 影响因子：4.1； 五年影响因子：4.0 ）
ISSN： 2470-1343
年卷期： 2023 年 8 卷 22 期
页码：
收录情况： SCI
摘要： Porcini mushrooms have high nutritional value and greatpotential,but different species are easily confused, so it is essential to identifythem rapidly and precisely. The diversity of nutrients in stipe andcap will lead to differences in spectral information. In this research,Fourier transform near-infrared (FT-NIR) spectral information aboutimparity species of porcini mushroom stipe and cap was collected andcombined into four data matrices. FT-NIR spectra of four data setswere combined with chemometric methods and machine learning for accurateevaluation and identification of different porcini mushroom species.From the results: (1) improved visualization level of t-distributedstochastic neighbor embedding (t-SNE) results after the second derivativepreprocessing compared with raw spectra; (2) after using multiplepretreatment combinations to process the four data matrices, the modelaccuracies based on support vector machine and partial least-squarediscriminant analysis (PLS-DA) under the best preprocessing methodwere 98.73-99.04% and 98.73-99.68%, respectively; (3)by comparing the modeling results of FT-NIR spectra with differentdata matrices, it was found that the PLS-DA model based on low-leveldata fusion has the highest accuracy (99.68%), but residual neuralnetwork (ResNet) model based on the stipe, cap, and average spectraldata matrix worked better (100% accuracy). The above results suggestthat distinct models should be selected for dissimilar spectral datamatrices of porcini mushrooms. Additionally, FT-NIR spectra have theadvantages of being nondevastate and fast; this method is expectedto be a promising analytical tool in food safety control.
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