Application of MOFs and natural clays for removal of MCPD and GEs from edible oils

T.  Şahin; S.  Ok; E.  Yılmaz

doi:10.3989/gya.0556211

Authors

T. Şahin Çanakkale Onsekiz Mart University, Faculty of Engineering, Department of Food Engineering https://orcid.org/0000-0001-6483-7967
S. Ok Çanakkale Onsekiz Mart University, Faculty of Engineering, Department of Food Engineering https://orcid.org/0000-0002-4257-6097
E. Yılmaz Çanakkale Onsekiz Mart University, Faculty of Engineering, Department of Food Engineering https://orcid.org/0000-0003-1527-5042

DOI:

https://doi.org/10.3989/gya.0556211

Keywords:

3-MCPD, Glycidyl esters, MOFs, Natural clays, Palm oil

Abstract

The aim of this study was to investigate the removal of 3-monochloropropane-1,2-diol (3-MCPD) and glycidyl esters (GEs) from edible oils by using Metal Organic Frameworks (MOF) and natural clays. First, the model oil was treated with adsorbents and titanium (IV) butoxide-terephthalate MOF (Ti-MOF) and kaolin were selected as the best performing MOF along with natural clay, respectively, for the removal of 3-MCPD and GEs. The effects of treatment conditions were also investigated, 6.0% adsorbent level, 120 min treatment time and 95 ºC temperature were determined to be the best treatment parameters. Finally, palm oil samples were treated with Ti-MOF and kaolin under the selected conditions and removal of 3-MCPD and GEs was obtained at up to 27% and 58%, respectively. In conclusion, MOFs and natural clays showed good potential for the removal of 3-MCPD and GEs, and the efficiency of the treatment can be improved by modifying the adsorbents.

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