Solid-substrate fermentor for ochratoxin A production
1975
Lindenfelser, L.A. | Ciegler, A.
A laboratory-scale fermentor designed for solid-substrate fermentation was constructed and tested. Its capacity to produce ochratoxin under varied conditions was determined with wheat as substrate. Ochratoxin yields of 2,000 to 2,500 μg/g of wheat were regularly obtained, and occasionally yields as high as 4,000 μg/g were obtained. The most critical factor in the fermentation was initial substrate moisture content; wheat tempered at 30 to 31% moisture produced the highest yields. Other variables tested were agitation and aeration rates, initial static culture time, and inoculum types and volumes.
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