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KMID : 0881720220370030159
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Journal of Food Hygiene and Safety
2022 Volume.37 No. 3 p.159 ~ p.165
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Analysis of Heavy Metal Contamination and Shellfish Poisoning Toxins in Marketed Shellfishes
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Kim Jeong-Eun
Hwang Seon-Il
Lee Seong-Bong
Shin Sang-Woon
Kwon Hye-Jung
Lee Ji-Yeon
Lee Byoung-Hoon
Mo A-Ra
Choi Ok-Kyung
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Abstract
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In this study, heavy metals (lead, cadmium, and mercury) and shellfish poisoning toxins (diarrhetic shellfish poisoning toxins, amnesic shellfish poisoning toxins) were investigated in a total of 104 shellfishes. According to the analysis of heavy metals, lead (Pb) was detected in the range of 0.0177-0.5709 mg/kg, cadmium (Cd) was detected in the range of 0.0226-1.4602 mg/kg, and mercury (Hg) was detected in the range of 0.0015-0.0327 mg/kg. Levels of Pb, Cd, and Hg were acceptable by Korean standards. Okadaic acid (OA) and dinophysistoxin-1 (DTX-1) were investigated for monitoring of diarrhetic shellfish poisoning toxins and OA and DTX-1 were not detected. As a result of monitoring of amnesic shellfish poisoning toxins, domoic acid was detected in 5 of 104 samples and detection ratio was 4.8%. The detection period was found as follows; 1 case in January, 1 case in February, 1 case in May, 2 cases in September. These showed that continuous monitoring for the management of shellfish poisoning toxins and heavy metals is required. In addition, this study can be used as reference data to strengthen managing heavy metals in fishery products.
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KEYWORD
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Shellfish, Heavy metal, Diarrhetic shellfish poison, Amnesic shellfish poison
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