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KMID : 0881720160310010015
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Journal of Food Hygiene and Safety
2016 Volume.31 No. 1 p.15 ~ p.20
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Monitoring of Malachite Green in Freshwater Fish using LC-MS/MS
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Choi Hee-Jin
Yuk Dong-Hyun
Park Young-Ae
Jung Bo-Kyung
Hong Mi-Sun
Yoon Yong-Tae
Yi Hye-Jin
Kim Youn-Cheon
Park Sung-Kyu
Kim Moo-Sang
Jung Kweon
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Abstract
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Malachite green was measured in 200 freshwater fish collected from local markets in Seoul using HPLC-DAD and LC-MS/MS. LC-MS/MS method was validated by linearity, accuracy, precision and limits of detection and quantification according to the CODEX’s recommendation and HPLC-DAD method was applied according to the Food Code. Malachite green levels above the quantification limit of the LC-MS/MS were determined 18.5% (37) but just 1 fish was shown to contain malachite green by HPLC-DAD. Of 83 domestic fish, 21 fish were detected malachite green (25.3%). Of 117 fish from China, just 16 fish were detected malachite green (13.4%). In detection rate by species carp (35.0%), Crucian carp (30.4%), cat fish (28.0%), Korean bull head (23.8%), snake head (20.0%), eel (10.5%) and loach (7.8%) were in order. Especially, fish collected at summer were shown to contain malachite green frequently; the detection rate was 54.8%.
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KEYWORD
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malachite green, LC-MS/MS, freshwater fish, monitoring
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