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http://dx.doi.org/10.3746/jkfn.2005.34.6.915

Monitoring of Paralytic Shellfish Poison by Highly Sensitive HPLC from Commercial Shellfishes and Sea Squirts  

Jang, Jun-Ho (Division of Marine Biosciences, Institute of Marine Industry, Gyeongsang National University)
Kim, Byung-Yun (Division of Marine Biosciences, Institute of Marine Industry, Gyeongsang National University)
Lee, Jong-Baek (Division of Marine Biosciences, Institute of Marine Industry, Gyeongsang National University)
Yun, So-Mi (Division of Marine Biosciences, Institute of Marine Industry, Gyeongsang National University)
Lee, Jong-Soo (Division of Marine Biosciences, Institute of Marine Industry, Gyeongsang National University)
Publication Information
Journal of the Korean Society of Food Science and Nutrition / v.34, no.6, 2005 , pp. 915-923 More about this Journal
Abstract
We monitored paralytic shellfish poison (PSP) by HPLC method in shellfishes including a sea squirt, and its products produced in domestic and imported, total 35 species, 850 samples, collected at 9 cities such as Seoul, Busan, Daegu, Ulsan, Pohang, Masan, Tongyeong, Geoje and Sacheon, 10 times by month (2 times in April and May) from March to October, 2004. PSPs were detected in a few raw samples on March, and it showed highest toxic ratio $(72.9\%)$ on third week of April (51 samples toxic in total 70 samples) and decreased suddenly to $2.4\%$ on third week of May. After then, PSPs were detected in a few samples, sporadically, and disappeared after August. Most raw shellfishes in the market were safe from PSP, showing the toxicity below 1 MU/g (quarantine level 4.0 MU/g), except oyster collected on April at Masan (1.9 MU/g), blue mussel on April (1.8 MU/g) and purplish washington clam on May at Sacheon (2.1 MU/g). However, it was strongly suggested to survey and under control for the imported scallops and ark shells which showed highly toxic in the quarantine level on May, July, even September. PSP were not detectable in the all shellfish products collected on May, July and September, except 2 boiled and dried mussels contained trace amount (0.01 MU/g), and all those products were safe as below quarantine toxin level (4.0 MU/g).
Keywords
paralytic shellfish poison (PSP); toxicity; blue mussel; oyster; scallop; ark shell shell; quarantine level; HPLC;
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