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Use of elemental profiling and isotopic signatures to differentiate Pacific white shrimp (Litopenaeus vannamei) from freshwater and seawater culture areas

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Abstract Shrimp samples from aquaculture ponds supplied with either freshwater (0.2–1.3 g L−1 salinity) or seawater (27.6–39.0 g L−1 salinity) were subjected to elemental profiling and to stable isotope analysis. Concentrations of 35 trace… Click to show full abstract

Abstract Shrimp samples from aquaculture ponds supplied with either freshwater (0.2–1.3 g L−1 salinity) or seawater (27.6–39.0 g L−1 salinity) were subjected to elemental profiling and to stable isotope analysis. Concentrations of 35 trace elements, including rare earth elements (REEs) were analyzed by ICP-MS, and the δ13C and δ15N concentrations were analyzed by IRMS in samples of peeled un-deveined (PUD) shrimp and in shrimp feed. Concentrations of 13 elements in pond water could be measured by ICP-MS. The analysis results showed that feeds offered to shrimp in freshwater and seawater did not differ in elemental concentrations (P

Keywords: profiling isotopic; shrimp; elemental profiling; use elemental; freshwater seawater

Journal Title: Food Control
Year Published: 2019

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