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KMID : 1134820070360070926
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Journal of the Korean Society of Food Science and Nutrition
2007 Volume.36 No. 7 p.926 ~ p.931
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Detection of Diarrhetic Shellfish Poisons by LC-MS/MS
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Lee Jong-Soo
Yun So-Mi
Jang Jun-Ho
Shin Il-Shik
Lee Jong-Ok
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Abstract
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Diarrhetic shellfish poisons (DSP) such as okadaic acid (OA), dinophysistoxin-1 (DTX1), pectenotoxin-1 (PTX1), PTX2, PTX6 and yessotoxin (YTX) were determined simultaneously by LC-MS/MS and mouse bioassay in the shellfishes (oyster, mussel, Washington purple clam, ark shell, scallop and short necked clam) collected at Tongyeong, from March to September, 2006. Oyster and mussel were found to contain DSP (0.05～0.1 MU/g) in March by mouse bioassay; however, no DSP components were detected on the LC-MS/MS. Also, a small amount of DTX1 (0.05 ㎍/g) in mussel (June) and OA (0.01～0.02 ㎍/g) in 5 species of shellfishes (August) were determined by LC-MS/MS.
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KEYWORD
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diarrhetic shellfish poison(DSP), LC-MS/MS, mouse bioassay, shellfish, okadaic acid(OA), dinophysistoxin-1(DTX1)
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