Effect of pH on ochratoxin A production by Aspergillus niger aggregate species

A. Esteban; M. L. Abarca; M. R. Bragulat; F. Javier Cabañes

doi:10.1080/02652030600599124

Effect of pH on ochratoxin A production by Aspergillus niger aggregate species

A. Esteban, M. L. Abarca, M. R. Bragulat, F. Javier Cabañes

Department of Animal Health and Anatomy

Research output: Contribution to journal › Article › Research › peer-review

15 Citations (Scopus)

Abstract

The effect of pH (2-10) on growth and ochratoxin A (OTA) production by 12 Aspergillus niger aggregate strains was studied in two culture media: Czapek yeast autolysate agar (CYA) and yeast extract sucrose agar (YES), over 30 days. The strains were selected to include different sources, different reported abilities to produce OTA and different ITS-5.8S rDNA RFLP patterns. YES was a better culture medium than CYA for OTA production. In this medium, OTA was produced from pH 2 or 3 to 10 depending on the strain. The results show the ability of A. niger aggregate strains not only to grow, but also to produce OTA over a wide pH range. The results will lead to a better understanding of the role of A. niger aggregate strains in the OTA contamination of several food commodities. © 2006 Taylor & Francis.

Original language	English
Pages (from-to)	616-622
Journal	Food Additives and Contaminants
Volume	23
DOIs	https://doi.org/10.1080/02652030600599124
Publication status	Published - 1 Jun 2006

Keywords

Aspergillus niger
Coffee
Grapes
Ochratoxin A
Raisins
pH

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10.1080/02652030600599124

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title = "Effect of pH on ochratoxin A production by Aspergillus niger aggregate species",

abstract = "The effect of pH (2-10) on growth and ochratoxin A (OTA) production by 12 Aspergillus niger aggregate strains was studied in two culture media: Czapek yeast autolysate agar (CYA) and yeast extract sucrose agar (YES), over 30 days. The strains were selected to include different sources, different reported abilities to produce OTA and different ITS-5.8S rDNA RFLP patterns. YES was a better culture medium than CYA for OTA production. In this medium, OTA was produced from pH 2 or 3 to 10 depending on the strain. The results show the ability of A. niger aggregate strains not only to grow, but also to produce OTA over a wide pH range. The results will lead to a better understanding of the role of A. niger aggregate strains in the OTA contamination of several food commodities. {\textcopyright} 2006 Taylor & Francis.",

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TY - JOUR

T1 - Effect of pH on ochratoxin A production by Aspergillus niger aggregate species

AU - Esteban, A.

AU - Abarca, M. L.

AU - Bragulat, M. R.

AU - Cabañes, F. Javier

PY - 2006/6/1

Y1 - 2006/6/1

N2 - The effect of pH (2-10) on growth and ochratoxin A (OTA) production by 12 Aspergillus niger aggregate strains was studied in two culture media: Czapek yeast autolysate agar (CYA) and yeast extract sucrose agar (YES), over 30 days. The strains were selected to include different sources, different reported abilities to produce OTA and different ITS-5.8S rDNA RFLP patterns. YES was a better culture medium than CYA for OTA production. In this medium, OTA was produced from pH 2 or 3 to 10 depending on the strain. The results show the ability of A. niger aggregate strains not only to grow, but also to produce OTA over a wide pH range. The results will lead to a better understanding of the role of A. niger aggregate strains in the OTA contamination of several food commodities. © 2006 Taylor & Francis.

AB - The effect of pH (2-10) on growth and ochratoxin A (OTA) production by 12 Aspergillus niger aggregate strains was studied in two culture media: Czapek yeast autolysate agar (CYA) and yeast extract sucrose agar (YES), over 30 days. The strains were selected to include different sources, different reported abilities to produce OTA and different ITS-5.8S rDNA RFLP patterns. YES was a better culture medium than CYA for OTA production. In this medium, OTA was produced from pH 2 or 3 to 10 depending on the strain. The results show the ability of A. niger aggregate strains not only to grow, but also to produce OTA over a wide pH range. The results will lead to a better understanding of the role of A. niger aggregate strains in the OTA contamination of several food commodities. © 2006 Taylor & Francis.

KW - Aspergillus niger

KW - Coffee

KW - Grapes

KW - Ochratoxin A

KW - Raisins

KW - pH

U2 - 10.1080/02652030600599124

DO - 10.1080/02652030600599124

M3 - Article

SN - 0265-203X

VL - 23

SP - 616

EP - 622

JO - Food Additives and Contaminants

JF - Food Additives and Contaminants

ER -

Effect of pH on ochratoxin A production by Aspergillus niger aggregate species

Abstract

Keywords

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