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This research aims to compare the amino acid profiles of wild and farmed silver carp to identify quality differences.

March 28, 2026npj Science of FoodOpen Access

Quality evaluation, authentication, and redundancy analysis of wild and farmed silver carp based on amino acid profiles

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Evaluates nutritional differences in wild and farmed silver carp, suggesting implications for quality standards and market regulation.

This research aims to compare the amino acid profiles of wild and farmed silver carp to identify quality differences.
Systematic collection of wild and farmed silver carp from 12 sampling sites
Analysis of amino acid composition
Principal Component Analysis (PCA) and Orthogonal Partial Least Squares Discriminant Analysis (OPLS-DA)
Redundancy Analysis (RDA) to examine links between amino acids and aquatic environments
Significant differences in amino acid composition were found favoring wild silver carp
Arginine identified as a potential biomarker with an AUC of 0.918 and 90% accuracy
Farmed silver carp showed higher Essential Amino Acid Index (EAAI)
Positive correlation of histidine with copper due to environmental factors

Zhang et al. (2026) studied this question.

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