Volume 16 Issue 4
Aug.  2020
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LIU Yang, GUO Wei, LI Quanjiang, WEI Cuiting, ZHANG Li, ZHANG Chenxiao. Contamination status and safety assessment of lipophilic phycotoxins in Crassostrea rivularis from Beibu Gulf of Guangxi[J]. South China Fisheries Science, 2020, 16(4): 108-113. DOI: 10.12131/20190212
Citation: LIU Yang, GUO Wei, LI Quanjiang, WEI Cuiting, ZHANG Li, ZHANG Chenxiao. Contamination status and safety assessment of lipophilic phycotoxins in Crassostrea rivularis from Beibu Gulf of Guangxi[J]. South China Fisheries Science, 2020, 16(4): 108-113. DOI: 10.12131/20190212
shu

Contamination status and safety assessment of lipophilic phycotoxins in Crassostrea rivularis from Beibu Gulf of Guangxi

  • 1.

    South China Sea Institute of Oceanology, Chinese Academy of Sciences/Key Laboratory of Tropical Marine Bio-resources and Ecology, Chinese Academy of Sciences/Guangdong Provincial Key Laboratory of Applied Marine Biology/Institution of South China Sea Ecology and Environmental Engineering, Guangzhou 510301, China

  • 2.

    University of Beibu Gulf, Qinzhou 535011, China

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  • Received Date: October 24, 2019
  • Revised Date: January 31, 2020
  • Accepted Date: April 09, 2020
  • Available Online: April 15, 2020
    Graphical Abstract
    • Abstract

  • We applied high-performance liquid chromatography-tandem mass spectrometry (HPLC-MS/MS) to analyze the composition and concentrations of liposoluble algal toxins accumulated in Crassostrea rivularis which were sampled in April 2017 (spring), July 2017 (summer), October 2017 (autumn) and January 2018 (winter), respectively. The homo-yessotoxin (homo-YTX), gymnodimines (GYM), spirolide1 (SPX1), azaspiracid2 (AZA2) and pectenotoxin2 (PTX2) were detected and their concentrations varied with sampling season. The concentration of GYM was the highest with a maximum of 13.15 μg·kg−1 in winter, while the others were low (0.54–1.40 μg·kg−1). With risk entropy method and evaluation method to safety risk assessment, it is shown that the RQ value and exposure risk index are far below the limits. Therefore, these samples are safe for consumers.

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