Journal
FOOD CHEMISTRY
Volume 221, Issue -, Pages 317-323Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2016.09.008
Keywords
Chitosan-coated Fe3O4 particles; Characterization; Patulin adsorption; Cytotoxicity; Acute toxicity
Funding
- Natural Science Foundation of China (NSFC) [31371814]
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Chitosan-coated Fe3O4 particles were prepared as a magnetic adsorbent by reverse oil-in-water micro-emulsion system using Triton X-100 as the emulsifier. Coating chitosan onto the magnetic particles was confirmed by transmission electron microscopy (TEM), Fourier transform infrared (FTIR) spectra and magnetic measurements. Chitosan-coated Fe3O4 adsorbent was shown to be effective for patulin adsorption with a maximum adsorption capacity of 6.67 mg/g within 5 h by adding 300 lg adsorbents into 10 mL 200 lg/L patulin aqueous. In addition, the recovery rate of chitosan-coated Fe3O4 adsorbent reached to 99.95% within 60 min, showed its excellent recoverable performance. Moreover, in vitro cytotoxicity and acute toxicity evaluation were also conducted, the results suggested that the chitosan-coated Fe3O4 adsorbent was non-cytotoxic, and had no toxic response or histopathological changes on mice. The results of this study demonstrated that chitosan-coated Fe3O4 particles are promising adsorbents for patulin removal in fruit juice industry. (C) 2016 Elsevier Ltd. All rights reserved.
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