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BACKGROUND
In this paper, the changes in free astaxanthin (F‐AST) and astaxanthin esters (AST‐Es) in Litopenaeus vannamei during iced storage and frozen storage were investigated. The liquid chromatography–atmospheric pressure chemical ionization tandem mass spectrometry method was used to quantify the molecular species of AST‐Es in shrimp during storage.
RESULTS
Based on the analysis of autoxidation...
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