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Toxins 2015, 7(4), 1151-1162; doi:10.3390/toxins7041151

Saccharomyces Cerevisiae Cell Wall Components as Tools for Ochratoxin A Decontamination

1
Institute of Fermentation Technology and Microbiology, Lodz University of Technology, Wólczańska 171/173, 90-924 Łódź, Poland
2
Institute of Polymer and Dye Technology, Lodz University of Technology, Stefanowskiego 12/16, 90-924 Łódź, Poland
*
Author to whom correspondence should be addressed.
Academic Editor: Richard A. Manderville
Received: 26 February 2015 / Revised: 16 March 2015 / Accepted: 27 March 2015 / Published: 2 April 2015
(This article belongs to the Collection Ochratoxins-Collection)
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Abstract

The aim of this study was to evaluate the usefulness of Saccharomyces cerevisiae cell wall preparations in the adsorption of ochratoxin A (OTA). The study involved the use of a brewer’s yeast cell wall devoid of protein substances, glucans obtained by water and alkaline extraction, a glucan commercially available as a dietary supplement for animals and, additionally, dried brewer’s yeast for comparison. Fourier Transform Infrared (FTIR) analysis of the obtained preparations showed bands characteristic for glucans in the resulting spectra. The yeast cell wall preparation, water-extracted glucan and the commercial glucan bound the highest amount of ochratoxin A, above 55% of the initial concentration, and the alkaline-extracted glucan adsorbed the lowest amount of this toxin. It has been shown that adsorption is most effective at a close-to-neutral pH, while being considerably limited in alkaline conditions. View Full-Text
Keywords: ochratoxin A; yeast; adsorption; Saccharomyces cerevisiae; glucan; cell wall ochratoxin A; yeast; adsorption; Saccharomyces cerevisiae; glucan; cell wall
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Piotrowska, M.; Masek, A. Saccharomyces Cerevisiae Cell Wall Components as Tools for Ochratoxin A Decontamination. Toxins 2015, 7, 1151-1162.

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