Production of gluconic acid byAspergillus nigerimmobilized on polyurethane foam
β Scribed by Nikolay B. Vassilev; Maria Ch. Vassileva; Dimitrinka I. Spassova
- Publisher
- Springer
- Year
- 1993
- Tongue
- English
- Weight
- 771 KB
- Volume
- 39
- Category
- Article
- ISSN
- 1432-0614
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Polyurethane foam cubes were employed as carders to immobilize Rhizopus oryzae for L(+)-lactic acid production. The immobilizing capacity reached 450 gfresh cell/l-cube. The production rate of L(+)-lactic acid could be threefold increased by using the immobilized R. oryzae. The immobilized cells cou
The type of sporulation medium and time of incubation had an effect on spore viability and citric acid production by mycelia grown from Aspergillus niger spores. Shu & Johnson agar (SJA) and potato dextrose agar gave higher citric acid titres than malt-extract agar. SJA also gave better germinabilit