Affiliation:
1. 1Elementary Science Education, Faculty of Education, Nigde University, Derbent Campus, 51100 Nigde, Turkey
2. 2Chemistry Department, Faculty of Sciences, Dokuz Eylul University, Tinaztepe Campus, 35160 Izmir, Turkey
Abstract
The capacities of montmorillonite K10 (K10), aluminum pillared K10 (Al-K10), and iron pillared K10 (Fe-K10) to eliminate zearalenone (ZEN) from synthetic media and the aqueous part of canned corn were studied. Original clay and pillared clays were characterized in terms of X-ray powder diffraction analysis and N2 adsorption-desorption isotherms. The maximum amounts of adsorption of ZEN by K10, Al-K10, and Fe-K10 at 25°C and pH 7 were 0.202, 1.305, and 1.028 mg/g and 0.264, 0.096, and 0.255 mg/g, calculated from Langmuir and Freundlich isotherms, respectively. The adsorption of ZEN was also studied as a function of adsorbent amount (1 to 30 mg), ZEN concentration (2 to 20 mg/liter), pH of solution (pH 4 to 10), and contact time. Pillared clays could be an excellent alternative for removing ZEN in contaminated food samples and are potentially low-cost adsorbents with a promising future as an alternative to more costly materials.
Publisher
International Association for Food Protection
Subject
Microbiology,Food Science
Cited by
10 articles.
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