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Monitoring of Patulin levels in Fruit Juices and Beverages  

Eom, Joon-Ho (Test & Analysis Division, Daejeon Regional Food and Drug Administration)
Byun, Jung-A (Test & Analysis Division, Daejeon Regional Food and Drug Administration)
Park, You-Gyoung (Test & Analysis Division, Daejeon Regional Food and Drug Administration)
Seo, Eun-Chae (Test & Analysis Division, Daejeon Regional Food and Drug Administration)
Lee, Eun-Mi (Test & Analysis Division, Daejeon Regional Food and Drug Administration)
Kim, Mi-Ra (Test & Analysis Division, Daejeon Regional Food and Drug Administration)
Sun, Nam-Kyu (Test & Analysis Division, Daejeon Regional Food and Drug Administration)
Kim, Chang-Soo (Test & Analysis Division, Daejeon Regional Food and Drug Administration)
Jung, Woo-Young (Test & Analysis Division, Daejeon Regional Food and Drug Administration)
Jung, Rae-Seok (Test & Analysis Division, Daejeon Regional Food and Drug Administration)
Na, Mi-Ae (Test & Analysis Division, Daejeon Regional Food and Drug Administration)
Lee, Jin-Ha (Test & Analysis Division, Daejeon Regional Food and Drug Administration)
Publication Information
Journal of Food Hygiene and Safety / v.24, no.1, 2009 , pp. 56-62 More about this Journal
Abstract
Patulin, a mycotoxin mainly produced by Penicillium and Aspergillus, is found in various foods. In the present, a maximum acceptable level for patulin is established at $50{\mu}g/kg(ppb)$ in apple juices and apple concentrates in Korea. But patulin may be detected in foods produced with other fruits. In the present study, patulin contamination was analyzed in 520 samples of fruit juices and beverages, and 50 samples of fruit juice concentrates. High performance liquid chromatography(HPLC) was applied to quantitatively analyze patulin levels in samples and liquid chromatography-mass spectrometry(LC/MS/MS) was used to remove false positive results. The results showed that three samples of 520 fruit juices and beverages and five samples of 50 fruit juice concentrates were contaminated by patulin, $9.8-18.0{\mu}g/kg$ and $4.7-18.2{\mu}g/kg$ respectively. Contaminated samples were produced with apple, orange or pear. This indicates that it is necessary to extend the regulatory range of patulin. In the other hands, the present study confirmed the effectiveness of LC/MS/MS analytical method to remove false positive results.
Keywords
fruit juice; patulin; monitering;
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