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Study on the geographical origin and characteristic differential components of Qianbei Ma lamb based on rapid evaporative ionization mass spectrometry

Author

Listed:
  • Ji Zhang

    (Zunyi Product Quality Inspection and Testing Institute, Zunyi, China)

  • Rui Hou

    (Zunyi Product Quality Inspection and Testing Institute, Zunyi, China)

  • Yuhang Luo

    (Zunyi Product Quality Inspection and Testing Institute, Zunyi, China)

  • Xiaohong Zhang

    (College of Pharmacy, Zunyi Medical University, Zunyi, China)

  • Hong Luo

    (Zunyi Product Quality Inspection and Testing Institute, Zunyi, China)

  • Lei Ling

    (Zunyi Product Quality Inspection and Testing Institute, Zunyi, China)

  • Liping Xiang

    (Zunyi Product Quality Inspection and Testing Institute, Zunyi, China)

Abstract

A rapid evaporative ionization mass spectrometry (REIMS) method combined with intelligent knife (iKnife) method was developed to explore the geographical origin and characteristic differential components of Qianbei Ma lamb. The REIMS conditions were initially refined, with the cauterization duration of 3 seconds, and the auxiliary solvent flow rate set to 100 μL.min-1 to prevent duplication. A database model was created from raw data through the proposed principal component analysis-linear discriminate analysis (PCA-LDA) in Live ID software, successfully applied to identify samples from 5 provinces in China and the real-time reliable identification rate with confidence higher than 99%. The obtained data by REIMS were used to establish the multivariate statistical models which using orthogonal projection to latent structures discriminant analysis (OPLS-DA), provided strong the discrimination power between composition and content changes of 16 specific ions such as m/z 726.3952 and m/z 744.4050, etc., including fatty alcohols, fatty acids and phosphatidylserines in mutton of different origin and the model displayed validation [R2(Y) = 0.968, Q2 = 0.924].

Suggested Citation

  • Ji Zhang & Rui Hou & Yuhang Luo & Xiaohong Zhang & Hong Luo & Lei Ling & Liping Xiang, 2025. "Study on the geographical origin and characteristic differential components of Qianbei Ma lamb based on rapid evaporative ionization mass spectrometry," Czech Journal of Food Sciences, Czech Academy of Agricultural Sciences, vol. 43(1), pages 59-70.
    • Handle: RePEc:caa:jnlcjf:v:43:y:2025:i:1:id:159-2024-cjfs
    DOI: 10.17221/159/2024-CJFS
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