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http://dx.doi.org/10.13103/JFHS.2017.32.3.217

Study on Processing Methods to Remove Toxic Ptaquiloside from Bracken Fern  

Lee, Hyang-Hee (Health and Environment Research Institute of Gwangju Metropolitan City)
Kim, Ae-Gyeong (Health and Environment Research Institute of Gwangju Metropolitan City)
Lee, Min-Gyou (Health and Environment Research Institute of Gwangju Metropolitan City)
Choi, Su-Yeon (Health and Environment Research Institute of Gwangju Metropolitan City)
Seo, Jin-Jong (Health and Environment Research Institute of Gwangju Metropolitan City)
Kim, Eun-Sun (Health and Environment Research Institute of Gwangju Metropolitan City)
Seo, Kye-Won (Health and Environment Research Institute of Gwangju Metropolitan City)
Cho, Bae-Sik (Health and Environment Research Institute of Gwangju Metropolitan City)
Publication Information
Journal of Food Hygiene and Safety / v.32, no.3, 2017 , pp. 217-221 More about this Journal
Abstract
The ptaquiloside is a carcinogenic compound from bracken fern (Pteridium aquilinum L). This study was to evaluate the content of ptaquiloside in bracken fern by various processing methods. The processing methods were heated and immersed time, water exchange number, and so on. Akali hydrolysis and solvent fractionation of ptaquiloside in bracken fern leads to the non-toxic and chemically stable pterosin B. The contents of pterosin B was analyzed by UPLC-MS/MS on mobile phase 3 mM ammonium acetate and methanol. The contents of total pterosin B in non-processing bracken fern in water extraction was 81.0 mg/kg and toxic ptaquiloside of them was 46.4 mg/kg. The heating time of 5 minutes removed 60% about the contents of pterosin B in the bracken fern, and two-thirds of them were already non-toxic pterosin B, namely were not transfered from ptaquiloside. Additional immersed time (12h), the pterosin B in bracken fern was 10 mg/kg, it was removed 87.6% and once every hour, water exchange times were removed 99.5% in comparison with them of untreated bracken fern and two-thirds of them were non-toxic pterosin B. To remove of ptaquiloside in bracken fern, heat, immersion, and water exchange times shall be carried out simultaneously.
Keywords
Bracken fern; Ptaquiloside; Pterosin B; UPLC-MS/MS;
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Times Cited By KSCI : 2  (Citation Analysis)
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