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Inhibitory effect of Aspergillus niger on the growth of Aspergillus ochraceus and Aspergillus flavus, and on aflatoxin formation
Year:
1992
Authors :
Menasherov, Mazal
;
.
Paster, Nachman
;
.
Pushinsky, Alon
;
.
Volume :
58
Co-Authors:
Paster, N., Department of Stored Products, Institute for Technology and Storage of Agricultural Products, Agricultural Research Organization, Volcani Center, POB 6, Bet-Dagan, 50250, Israel
Pushinsky, A., Department of Stored Products, Institute for Technology and Storage of Agricultural Products, Agricultural Research Organization, Volcani Center, POB 6, Bet-Dagan, 50250, Israel
Menasherov, M., Department of Stored Products, Institute for Technology and Storage of Agricultural Products, Agricultural Research Organization, Volcani Center, POB 6, Bet-Dagan, 50250, Israel
Chet, I., Department of Plant Pathology and Microbiology, The Hebrew University of Jerusalem, Faculty of Agriculture, Rehovot, 76100, Israel
Facilitators :
From page:
589
To page:
591
(
Total pages:
3
)
Abstract:
Aspergillus ochraceus and A flavus were grown on synthetic media (SM) supplemented with 50 or 200 ml litre−1 SM on which A niger had been grown previously ( ‘A niger medium’ = ANM). Controls included SM acidified to pH 6.0 or 4.4, SM diluted with 50 or 200 ml litre−1 water, and diluted‐acidified SM. For both fungi, higher growth inhibition was recorded on ANM‐containing SM than in the controls. Aflatoxin formation was markedly inhibited on SM to which 20 ml litre−1 ANM extract (in methanol/chloroform, 2:1 v) had been added, although the growth of A flavus on that medium was almost the same as that in the control. It is concluded that the inhibitory effect of A niger on the growth of fungi should not be attributed merely to pH reduction, but also, mainly, to metabolites produced by the fungus in the growth medium, even at early stages of its growth. Copyright © 1992 John Wiley & Sons, Ltd
Note:
Related Files :
Aflatoxin
A flavus
A ochraceus
Aspergillus niger
Inhibitory effect
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Related Content
More details
DOI :
10.1002/jsfa.2740580421
Article number:
Affiliations:
Database:
Scopus
Publication Type:
article
;
.
Language:
English
Editors' remarks:
ID:
30177
Last updated date:
02/03/2022 17:27
Creation date:
17/04/2018 00:52
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Scientific Publication
Inhibitory effect of Aspergillus niger on the growth of Aspergillus ochraceus and Aspergillus flavus, and on aflatoxin formation
58
Paster, N., Department of Stored Products, Institute for Technology and Storage of Agricultural Products, Agricultural Research Organization, Volcani Center, POB 6, Bet-Dagan, 50250, Israel
Pushinsky, A., Department of Stored Products, Institute for Technology and Storage of Agricultural Products, Agricultural Research Organization, Volcani Center, POB 6, Bet-Dagan, 50250, Israel
Menasherov, M., Department of Stored Products, Institute for Technology and Storage of Agricultural Products, Agricultural Research Organization, Volcani Center, POB 6, Bet-Dagan, 50250, Israel
Chet, I., Department of Plant Pathology and Microbiology, The Hebrew University of Jerusalem, Faculty of Agriculture, Rehovot, 76100, Israel
Inhibitory effect of Aspergillus niger on the growth of Aspergillus ochraceus and Aspergillus flavus, and on aflatoxin formation
Aspergillus ochraceus and A flavus were grown on synthetic media (SM) supplemented with 50 or 200 ml litre−1 SM on which A niger had been grown previously ( ‘A niger medium’ = ANM). Controls included SM acidified to pH 6.0 or 4.4, SM diluted with 50 or 200 ml litre−1 water, and diluted‐acidified SM. For both fungi, higher growth inhibition was recorded on ANM‐containing SM than in the controls. Aflatoxin formation was markedly inhibited on SM to which 20 ml litre−1 ANM extract (in methanol/chloroform, 2:1 v) had been added, although the growth of A flavus on that medium was almost the same as that in the control. It is concluded that the inhibitory effect of A niger on the growth of fungi should not be attributed merely to pH reduction, but also, mainly, to metabolites produced by the fungus in the growth medium, even at early stages of its growth. Copyright © 1992 John Wiley & Sons, Ltd
Scientific Publication
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