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초록

We monitored the occurrence of paralytic shellfish poisoning(PSP) in a total of 600 shellfish samples marketed in Seoul between 2017 and 2019 by using the standardized mouse bioassay(MBA). In 2017, PSP was detected in 3(1.4%) out of 218 shellfish samples, and the detection rate in mussels was 16.7%(3/18). In 2018, PSP was detected in 13(6.8%) out of 192 shellfish samples, and the detection rates in mussels, Scapharca broughtonii, Mercenaria mercenaria, manila clams, and scallops were 41.2%(7/17), 25%(1/4), 9.1%(1/11), 8.8%(3/34), and 7.1%(1/14), respectively. In 2019, PSP was detected in 2(1.1%) out of 190 shellfish samples and the detection rates in mussels and manila clams were 4.2%(1/24) and 3.3%(1/30), respectively. One mussel sample and a Scapharca broughtonii showed the highest toxicity levels(1.44 mg/kg and 1.55 mg/kg, respectively), which exceeded the domestic acceptance criteria(0.8 mg/kg).