Fisheries and Aquatic Sciences

The Korean Society of Fisheries and Aquatic Science (한국수산과학회)
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A study on Kudoa septempunctata infection from sashimi and sushi of olive flounder Paralichthys olivaceus in Busan, South Korea

  • Koo, Hee-soo (Foodborne Diseases Inspection Team, Busan Metropolitan City Institute of Health & Environment) ;
  • Park, Ji-young (Foodborne Diseases Inspection Team, Busan Metropolitan City Institute of Health & Environment) ;
  • Sung, Gyung-hye (Foodborne Diseases Inspection Team, Busan Metropolitan City Institute of Health & Environment) ;
  • Park, Eun-hee (Foodborne Diseases Inspection Team, Busan Metropolitan City Institute of Health & Environment) ;
  • Ku, Pyeong-tae (Foodborne Diseases Inspection Team, Busan Metropolitan City Institute of Health & Environment) ;
  • Lee, Mi-ok (Foodborne Diseases Inspection Team, Busan Metropolitan City Institute of Health & Environment)
  • Received : 2021.05.11
  • Accepted : 2021.07.21
  • Published : 2021.08.31
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Abstract

Kudoa septempunctata has been reported as a new parasite in aquacultured olive flounder Paralichthys olivaceus, and also as a causative agent of food poisoning in humans. This paper investigated the infection of K. septempunctata in 216 sashimi and 20 sushi made of olive flounders in Busan, Korea. Among 236 samples, K. septempunctata was detected in eleven sashimi with 6-7 polar capsules by the microscopy. Among eleven sashimi, five sashimi were positive in Polymerase Chain Reaction (PCR) assay with the targets of 18S rDNA and 28S rDNA. The genotype of all the five PCR results is identified as the genotype ST3 which is common in Korea. K. septempunctata was found in olive flounders sashimi from Samcheonpo and Wando outside of Jeju Island. These findings would contribute to establish the standard of K. septempunctata for preventing food-borne outbreaks in advance and providing further preventive management for the seafood safety.

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References

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