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KMID : 0881720200350020162
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Journal of Food Hygiene and Safety
2020 Volume.35 No. 2 p.162 ~ p.169
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Investigation of Unintentionally Hazardous Substance in Teas
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Park Hye-Min
Kim Ae-Kyung
Yang Yong-Shik
Choi Su-Yeon
Seo Doo-Ri
Cho Bae-Sik
Seo Kye-Won
Kim Jin-Hee
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Abstract
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This study was conducted to survey levels of heavy metals, benzopyrene and mycotoxins in teas purchased from online markets, supermarkets, and traditional markets in Gwangju, Korea. We examined the arsenic, cadmium and lead content in heavy metals. We also tested for benzo(a)pyrene, which is classified as a carcinogen. In addition, we tested for the mycotoxins aflatoxin (AFB 1 , AFB 2 , AFG 1 ,AFG 2 ), ochratoxin A (OTA), fumonisin (FUB 1 , FUB 2 ), and zearalenone (ZON). According to our results, heavy metals were detected within the allowable range (below 5.0 mg/kg for lead) and all samples met with the standards for tea as presented in the Korean Food Code. The Benzo(a)pyrene showed a detection rate of 12.8% in 16 of 125 samples and mycotoxins showed 23.2% in 29 of 125 samples. However, safe levels regarding benzo(a)pyrene and mycotoxin in tea were not ascertainable since the standards are not set in the Korean Food Code.
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KEYWORD
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Leached teas, Heavy metal, Benzopyrene, Mycotoxin
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