What is "domoic acid"

n. (context organic compound English) A neurotoxin associated with some algal blooms

n. a neurotoxin that is deadly for humans; found in various marine algae

Domoic acid (DA) is a kainic acid analog neurotoxin that causes amnesic shellfish poisoning (ASP). It is produced by algae and accumulates in shellfish, sardines, and anchovies. When sea lions, otters, cetaceans, humans etc., then eat contaminated animals poisoning may result. Exposure to the biotoxin affects the brain, causing seizures, and possibly death.