Characterization of 11-hydroxysaxitoxin sulphate, a major toxin in scallops exposed to blooms of the poisonous dinoflagellate Gonyaulax tamarensis

Abstract
The major neurotoxin isolated from scallops collected from the Bay of Fundy during a local bloom of the marine dinoflagellate Gonyaulax tamarensis has been identified as the sulphate ester of 11-hydroxysaxitoxin (2).