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서울지역 유통 패류에서의 마비성패류독소 검출 특성

(Study on the Detection of Paralytic Marketed Shellfish Poisoning(PSTs) Toxins on Marketed Shellfishes in Seoul)

한창호* · 이인숙* · 김태랑 · 황광호 · 김지민 · 김무상

서울시보건환경연구원 강남농수산물검사소*

*Corresponding author: every@seoul.go.kr

Abstract

We monitored paralytic shellfish toxins(PSTs) in a total of 177 shellfish samples(22 kinds of shellfishes and 2 kinds of tunicates) by using the mouse bioassay(MBA) In 2018.  PSTs were detected in 10 (5.7%) of 177 shellfish samples, and the detection range showed 0.0 mg/kg∼1.55 mg/kg. PSTs detection rates according to the  classification of samples  were as fallowed ; in Mytilus coruscus [38.5 % (5/13)], in Scapharca broughtonii [25.5 % (1/4)], in Meretrix lusoria 9.1 %(1/11), in Pectinidae 7.1 %(1/14), and in Tapes 6.7 %(2/30) respectively. Two samples(1.55 mg/kg in Scapharca broughtonii, 1.44 mg/kg in Mytilus coruscus) showed the high toxicity above the domestic acceptance  PSTs criteria (0.80 mg/kg) of KFDA. 19 kinds of shellfishes on 105 samples including 5 tests Crassostrea gigas represented non-detected  PSTs. PSTs is reported that the change of marine environment like a rise of sea water temperature causes the accumulation of toxins in shellfishes eating toxic Alexandrium spp., and it occur food poisoning.

Key words: Paralytic Shellfish Toxins(PSTs), Mouse bioassay(MBA), Marine environment