Korean Journal of Fisheries and Aquatic Sciences (한국수산과학회지)

The Korean Society of Fisheries and Aquatic Science (한국수산과학회)
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Muscle Intoxication of 'Gukmeri-bok' Puffer (Takifugu vermicularis radiatus) by Freezing and Thawing

냉동과 해동에 따른 국매리복 근육의 독화

  • JEON Joon-Kyun (Division of Marine Bioscience and Technology, Kangnung National University) ;
  • HONG Kyung-Pyo (Marine Living Resources Research Division, Korea Ocean Research and Development Institute)
  • 전중균 (강릉대학교 생명과학대학 해양생명공학부/동해안해양생물자원연구센터) ;
  • 홍경표 (한국해양연구원 해양생물자원연구센터)
  • Published : 2004.06.01
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Abstract

We here report that the muscle of 'gukmeri-bok' puffer fish (Takifugu vermicularis radiatus) is intoxicated after freezing and thawing processes even though it is not toxic when it is fresh. This study was carried out to investigate the effect of different freezing and thawing conditions as well as the effect of the presence of skin or viscera on the intoxication of muscle of 'gukmeri-bok' puffer during freezing and thawing process. As a result of this investigation, thawing condition, but not freezing conditions or periods played an important role in muscle intoxication. Tetrodotoxin secretory grands exist in the skin of toxic puffer fish, the skin was more responsible for the muscles intoxication than the viscera during the freezing-thawing process. In other words, no toxicity was measured in the muscle of skinned-frozen specimens even when thawed. According to this result, it is recommended that the skin and viscera must be removed before being frozen for edible purpose. Otherwise, when a whole fish should be frozen, alternative half-thawing and removal of skin from frozen specimens is recommended.

Keywords

References

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