Journal
JOURNAL OF CHROMATOGRAPHY A
Volume 1599, Issue -, Pages 75-84Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.chroma.2019.04.001
Keywords
Untargeted metabolomics; Chemometrics; Biomarker identification; Shrimp fraud; Species authentication
Funding
- Science and Engineering Research Board (SERB) government of India [SB/OS/PDF-011/2015-16]
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Mandatory disclosure of the species identity, production method, and geographical origin are embedded in the regulations and traceability systems, governing international seafood trade. A high-resolution mass spectrometry-based metabolomics approach could simultaneously authenticate the species identity and geographical origin of commercially important shrimps. The highly innovative approach spared the need for multiple testing methods which are in routine use currently. A robust chemometric model, developed using the metabolite fingerprint dataset, could accurately predict the species identity of the shrimp samples. Subsequently, species-specific biomarkers were discovered and a tandem mass spectrometry method for authentication of the species was developed. Two other chemometric models from the metabolomics experiment accurately predicted the geographical origin of king prawns and tiger prawns. The study has shown for the first time that food-metabolomics along with chemometrics can simultaneously check for multiple seafood fraud issues in the global seafood supply-chain. (C) 2019 The Authors. Published by Elsevier B.V.
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