AI Article Synopsis
- Tetrodotoxin (TTX) and its analogues are dangerous toxins commonly associated with pufferfish poisoning, primarily in Eastern Asia.
- Recent research detected three TTX analogues (unknown epimer, deoxyTTX, and trideoxyTTX) in European fiddler crabs and trideoxyTTX in green crabs from southern Portugal.
- The findings suggest that crabs’ feeding habits may affect TTX accumulation, highlighting the importance of monitoring these toxins in edible marine life for consumer safety.
Article Abstract
Tetrodotoxin (TTX) and its analogues are naturally occurring toxins historically responsible for human poisoning fatalities in Eastern Asia. It is typically linked to the consumption of pufferfish and, to a lesser extent, marine gastropods and crabs. In the scope of a comprehensive project to understand the prevalence of emergent toxins in edible marine organisms, we report, for the first time, the detection of TTX analogues in the soft tissues of edible crabs, the European fiddler crab ) and green crab (), harvested in southern Portugal. No TTX was detected in the analyzed samples. However, three TTX analogues were detected-an unknown TTX epimer, deoxyTTX, and trideoxyTTX. These three analogues were found in the European fiddler crab while only trideoxyTTX was found in the green crab, suggesting that the accumulation of TTX analogues might be influenced by the crabs' different feeding ecology. These results highlight the need to widely monitor TTX and its analogues in edible marine species in order to provide adequate information to the European Food Safety Authority and to protect consumers.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10305652 | PMC |
| http://dx.doi.org/10.3390/md21060320 | DOI Listing |
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