4.7 Article

Bioaccessibility of paralytic shellfish toxins in different cooked shellfish using the simulated digestive model

期刊

FOOD CHEMISTRY
卷 390, 期 -, 页码 -

出版社

ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2022.133094

关键词

Marine phycotoxins; In vitro digestion; Seafood; LC-MS; MS; Degradation products

资金

  1. National Natural Science Foundation of China [41906116, 41376122]
  2. Science & Technology Basic Resources Investigation Program of China [2018FY100200]

向作者/读者索取更多资源

This study assessed the bioaccessibility of PSTs in cooked shellfish using an in vitro human digestion model. The results showed that different cooking methods reduced the content of PSTs in shellfish, but did not significantly impact their bioaccessibility. Transformation or degradation of PSTs occurred during the simulated digestion process.
Current regulatory limit values for paralytic shellfish toxins (PSTs) in shellfish products are not considering the bioaccessibility of PSTs in seafood matrix during the gastrointestinal digestion for human beings. In this study, the bioaccessibility of PSTs in the shellfish cooked by different ways was assessed using a static in vitro human digestion model. Results showed that the dissolution of PSTs from shellfish tissues was not significantly affected by digestion time, ratios of solid weight to liquid volume (S/L) and cooking methods, but obviously facilitated by digestive enzymes. Different cooking ways reduced the contents of PSTs in shellfish by 45% to 88%, but did not significantly change the high bioaccessibility of PSTs that ranged from 80% to 95% in four different shellfish matrices. Transformation or degradation of PSTs occurred during the simulated digestion process. This work will help us to objectively assess the potential risks of PSTs to human health.

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