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- Title
Direct ammonium fumarate production by Rhizopus arrhizus under phosphorous limitation.
- Authors
Riscaldati, E.; Moresi, M.; Federici, F.; Petruccioli, M.
- Abstract
Direct ammonium fumarate production from glucose-based media with Rhizopus arrhizus NRRL 1526 was obtained using 2 kmol (NH4)2CO3 per m3 as neutralising agent and controlling mycelial growth by phosphorous (P) limitation. As the P level in the production medium was increased from 0 to 0.3 kg of KH2PO4 per m3, the fumarate yield decreased from 0.32 to 0.13 g per g of glucose consumed; maximum ammonium fumarate productivity (0.46 kg m-3 h-1) was obtained when using 0.1 kg phosphate m-3.
- Subjects
SUCCINATE dehydrogenase; PHOSPHORUS; GLUCOSE; DISACCHARIDES; FRUCTOSE; AMMONIUM compounds
- Publication
Biotechnology Letters, 2000, Vol 22, Issue 13, p1043
- ISSN
0141-5492
- Publication type
Academic Journal
- DOI
10.1023/A:1005621311898