AZA2，azaspiracid-2，CRM-AZA2，原多甲藻酸贝类***，腹泻性贝毒，DSPAzaspiracidwasfirstdiscoveredinIrelandin1995afterahumanintoxicationeventwaslinkedtothec***umptionofshellfishandhassincebeenobservedinwideareasofWestandNorthwestEurope.TheoriginoftheneurotoxinazaspiracidhasbeenidentifiedasthedinoflagellateAzadiniumspinosum[1].Azaspiracid-2(AZA2,8-methyl-azaspiracid)isamethylhomologueofAZA1produceddirectlybythesourceorgani***[1].Intoxicationsymptomscanincludenausea,stomachcramps,headache,vomitinganddiarrhea.ThemaximumpermissibletotallevelofAZA1,-2,and-3inshellfishiscurrently0.16mg/kginwholetissue.Compoundμmoles/L(at20PoPC)μg/mL(at20PoPC)μg/gAzaspiracid21.50&plu***n;0.061.28&plu***n;0.051.62&plu***n;0.07Azaspiracid-2Molecularformula:CB48BHB73BNOB12BFormulamolecularweight:856.1g/molExpirydate:1yearfromdateofsale[M+H]P+Pmonoisotopicmass:856.5206DaStorageconditi***:-12ºCorbelowCASregistryNº:265996-92-7)