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April 10, 2026FoodsOpen Access

C, H, O, N Stable Isotope Analysis Coupled with Chemometrics for Geographic Origin Authentication of Pacific White Shrimp (Litopenaeus vannamei) in China

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Authors

NWNa WangCWCaixia WangHWHuiyu Wang

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Overview

Demonstrates a method to authenticate shrimp origins in China, suggesting enhanced food quality safety.

Key Points

  • The aim is to investigate stable isotope analysis and chemometric techniques for determining the geographic origin of Pacific white shrimp.
  • Analyzed shrimp samples from domestic and foreign sources using stable isotope analysis of four isotopes.
  • Employed chemometric models and statistical analyses to establish origin authentication.
  • Conducted a four-isotope model cross-validation for accuracy assessment.
  • Achieved 89.3% cross-validation accuracy for distinguishing domestic from foreign shrimp.
  • The area under the curve (AUC) for prediction was 0.901, indicating strong model performance.
  • Key isotopes (δ2H and δ18O) were significant indicators of geographic difference, enhancing reliability.

Cite This Study

Wang et al. (2026) studied this question.

synapsesocial.com/papers/69d895d86c1944d70ce06f3ahttps://doi.org/10.3390/foods15081274
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