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In vitro interaction between Ochratoxin a and different strains of Saccharomyces cerevisiae and Kloeckera apiculata

Angioni, Alberto and Caboni, Paolo and Garau, Antonio and Farris, Giovanni Antonio and Orro, Davide and Budroni, Marilena and Cabras, Paolo (2007) In vitro interaction between Ochratoxin a and different strains of Saccharomyces cerevisiae and Kloeckera apiculata. Journal of Agricultural and Food Chemistry, Vol. 55 (5), p. 2043-2048. eISSN 1520-5118. Article.

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DOI: 10.1021/jf062768u

Abstract

The interaction of ochratoxin A (OTA) and 20 yeast strains of Saccharomyces cerevisiae and Kloeckera apiculata during alcoholic fermentation was studied. Levels of OTA were determined in the fermentation liquid and in the yeast cells solid using a high-performance liquid chromatography system with a fluorescence detector. Yeast cells do not adsorb OTA, and for all yeasts, OTA levels did not affect the alcoholic fermentation. Some yeast strains reduced levels of OTA, whereas other strains did not show any effect demonstrating that OTA level reduction is not a genus species characteristic but a strain trait.

Item Type:Article
ID Code:4961
Status:Published
Refereed:Yes
Uncontrolled Keywords:Ochratoxin A, Saccharomyces cerevisiae, Kloeckera apiculata, alcoholic fermentation, LC-MS, strain
Subjects:Area 07 - Scienze agrarie e veterinarie > AGR/16 Microbiologia agraria
Divisions:001 Università di Sassari > 01 Dipartimenti > Scienze ambientali agrarie e biotecnologie agro-alimentari
Publisher:American Chemical Society
eISSN:1520-5118
Deposited On:25 Nov 2010 10:50

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