Journal
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
Volume 29, Issue 1, Pages 210-221Publisher
SPRINGER HEIDELBERG
DOI: 10.1007/s11356-021-15628-1
Keywords
Mycotoxin; Cyclodextrin; Mycotoxin extraction; Beta-cyclodextrin bead polymer; Mycotoxin binder; Toxin removal
Categories
Funding
- University of Pecs
- Hungarian National Research, Development and Innovation Office [FK125166]
- Ministry for Innovation and Technology from the National Research, Development and Innovation Fund [UNKP-20-3-II]
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In this study, it was found that the insoluble beta-cyclodextrin bead polymer (BBP) effectively extracted certain mycotoxins such as citrinin, dihydrocitrinone, sterigmatocystin, zearalanone, alpha-zearalanol, and beta-zearalanol at different pH values. Ochratoxin A was most effectively removed by BBP at pH 3.0. This suggests that BBP could be a suitable mycotoxin binder for decontamination and analytical purposes.
Mycotoxins are toxic metabolites of filamentous fungi; they are common contaminants in numerous foods and beverages. Cyclodextrins are ring-shaped oligosaccharides, which can form host-guest type complexes with certain mycotoxins. Insoluble beta-cyclodextrin bead polymer (BBP) extracted successfully some mycotoxins (e.g., alternariol and zearalenone) from aqueous solutions, including beverages. Therefore, in this study, we aimed to examine the ability of BBP to remove other 12 mycotoxins (including aflatoxin B1, aflatoxin M1, citrinin, dihydrocitrinone, cyclopiazonic acid, deoxynivalenol, ochratoxin A, patulin, sterigmatocystin, zearalanone, alpha-zearalanol, and beta-zearalanol) from different buffers (pH 3.0, 5.0, and 7.0). Our results showed that BBP can effectively extract citrinin, dihydrocitrinone, sterigmatocystin, zearalanone, alpha-zearalanol, and beta-zearalanol at each pH tested. However, for the removal of ochratoxin A, BBP was far the most effective at pH 3.0. Based on these observations, BBP may be a suitable mycotoxin binder to extract certain mycotoxins from aqueous solutions for decontamination and/or for analytical purposes.
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