AZA3，azaspiracid-3，CRM-AZA3，原多甲藻酸贝类***，腹泻性贝毒，DSPAzaspiracidwasfirstdiscoveredinIrelandin1995afterahumanintoxicationeventlinkedtothec***umptionofshellfishandhassincebeenobservedinwideareasofWestandNorthwestEurope.TheoriginoftheneurotoxinazaspiracidhasbeenidentifiedasthedinoflagellateAzadiniumspinosum[1].Azaspiracid-3(AZA3,22-de***ethyl-azaspiracid)isananalogueofAZA1anditisaproductofmetaboli***inshellfish[2].Intoxicationsymptomscanincludenausea,stomachcramps,headache,vomitinganddiarrhea.ThemaximumpermissibletotallevelofAZA1,-2,and-3inshellfishiscurrently0.16mg/kginwholetissue.Compoundμmoles/L(at20oC)μg/mL(at20oC)μg/gAzaspiracid31.25&plu***n;0.051.04&plu***n;0.041.31&plu***n;0.05Azaspiracid-3Molecularformula:***6H69***2Formulamolecularweight:828.04g/molExpirydate:1yearfromdateofsale[M+H]+monoisotopicmass:828.4893DaStorageconditi***:-12ºCorbelowCASregistryNº:265996-93-8)