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Appl Environ Microbiol. 1970 March; 19(3): 542-544
Copyright © 1970 American Society for Microbiology. All Rights Reserved.

Conditions for Production of Ochratoxin A by Aspergillus Species in a Synthetic Medium ¹

South Dakota State University, Brookings, South Dakota 57006
Northern Regional Research Laboratory, Peoria, Illinois 61604

ABSTRACT

Trace elements were required by Aspergillus melleus and A. ochraceus, but not by A. sulphureus, to grow and to elaborate ochratoxin A. The composition of the medium affected the synthesis of the toxin more than the growth of the mycelium.

² Postdoctoral Research Fellow, Plant Pathology Department, South Dakota State University. Present address: Bureau of Plant Pathology, California Department of Agriculture, Sacramento, Calif. 95814.

¹ Journal paper no. 925, of the South Dakota Agricultural Experiment Station. Project no. 467. This investigation was carried out under contract no. 12-14-100-8328 (71) with the U.S. Department of Agriculture and authorized by the Research and Marketing Act.