数字农科院2.0

Spectra to species: recognition of geographically originated pork by portable NIRS coupled with chemometrics

文献类型： 外文期刊

作者： Cao, Huijuan;Bai, Yanchang;Zhang, Shengrui;Yu, Heng;Gao, Yinghao;Huang, Yue

作者机构：

关键词： Chemometrics;Geographically originated pork;Portable NIRS;Quality grading;Types classification

期刊名称： JOURNAL OF FOOD MEASUREMENT AND CHARACTERIZATION

ISSN： 2193-4126

年卷期： 2025 年

页码：

收录情况： SCIE（2025版） ; ; EI（2025版）

摘要： Portable near-infrared spectroscopy (NIRS) was utilized, combined with chemometrics, for the rapid identification of a specific geographical variety of pork, as well as the common landrace type, just from the chunked fillets. Additionally, rapid quality grading of the pure Rongchang pork (Grade I, II, and III) was also carried on. Various preprocessing and spectral feature extraction methods were utilized and optimized to minimize redundant multivariate information. Type recognition models were established for the collected pork samples (Rongchang 40, hybrid Rongchang, and Landrace 30). Results indicated that the classification accuracy, average precision, average recall, etc., of the max-min-CARS-RF, and max-min-PCA-LPboots models for pork types identification were all 100%. For the simplicity of modeling, the max-min-CARS-RF method was considered as the optimal identification method for pork types. Furthermore, the 1D-RF model outperformed for three Rongchang pork quality grading. This study demonstrated portable NIRS sensor combined with a proper chemometrics for rapid identification of geographical pork types and quality grades on chunked meat was practical.

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