Degradation of Ochratoxin A by Acinetobacter calcoaceticus-Reference-Cited by-同舟云学术

Degradation of Ochratoxin A by Acinetobacter calcoaceticus

Published:1994-05-01 Issue:5 Volume:57 Page:410-414
ISSN:0362-028X
Container-title:Journal of Food Protection
language:en
Short-container-title:

Author:

HWANG CHENG-AN¹,DRAUGHON FRANCES A.²

Affiliation:

1. Center for Food Safety and Quality Enhancement, Department of Food Science and Technology, University of Georgia Griffin, Georgia 30223-1797

2. 2Department of Food Science and Technology, The University of Tennessee, P.O. Box 1071, Knoxville, Tennessee 37901-1071

Abstract

Microorganisms were screened for their ability to degrade ochratoxin A (OTA). Among test microorganisms, Acinetobacter calcoaceticus was found to degrade OTA. The degradation of OTA by A. calcoaceticus was studied in an ethanol-minimal salts medium with an initial OTA concentration of 10 (μg/ml at 25 and 30°C. Under these conditions, A. calcoaceticus was able to degrade OTA with an initial concentration of OTA of 10 (μg/ml. The average amounts of OTA removed by A. calcoaceticus in medium with an initial OTA concentration of 10 (μg/ml were 0.1005 and 0.0636 (μg/ml/h at 25 and 30°C, respectively. Ochratoxin A was degraded significantly by A. calcoaceticus during and after the log phase of cell growth at both incubation temperatures. It is postulated that degradation of OTA by A. calcoaceticus yielded a less toxic ochratoxin α.

Publisher

International Association for Food Protection

Subject

Microbiology,Food Science

Link

http://meridian.allenpress.com/jfp/article-pdf/57/5/410/1664911/0362-028x-57_5_410.pdf

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