贝类是生活在海洋中的带壳的软体动物的总称,大量产于我国沿海地区,如贻贝、扇贝、牡蛎、杂色蛤、文蛤等。贝类味道鲜美,营养价值高,且易被胃肠吸收。贝类除鲜食外,还可以加工成干制品和罐头,因此,贝类已成为人们喜爱的佳肴。贝类本身没有毒,但当贝类滤入有毒性的鞭毛虫或某种有毒性藻类后,毒素可以富集,使其具有毒性。人们若吃了此种带毒的 Shellfish is a general term for molluscs with shelled animals living in the oceans. It is produced in large quantities in China’s coastal areas such as mussels, scallops, oysters, variegated clams and clams. Shellfish taste delicious, high nutritional value, and easily absorbed by the gastrointestinal. In addition to fresh seafood shellfish, but also can be processed into dried products and canned food, therefore, shellfish has become one of the favorite dishes. Shellfish are not toxic by themselves, but when the shellfish filters into toxic flagellates or some toxic algae, the toxins can accumulate and become toxic. If people eat this kind of poisoned