Agar plate growth studies of Rhizopus oligosporus and Aspergillus oryzae to determine their suitability for solid-state fermentation

Mitchell D.A., Doelle H.W. and Greenfield P.F. (1988) Agar plate growth studies of Rhizopus oligosporus and Aspergillus oryzae to determine their suitability for solid-state fermentation. Applied Microbiology and Biotechnology, 28 6: 598-602. doi:10.1007/BF00250419


Author Mitchell D.A.
Doelle H.W.
Greenfield P.F.
Title Agar plate growth studies of Rhizopus oligosporus and Aspergillus oryzae to determine their suitability for solid-state fermentation
Journal name Applied Microbiology and Biotechnology   Check publisher's open access policy
ISSN 0175-7598
Publication date 1988-01-01
Sub-type Article (original research)
DOI 10.1007/BF00250419
Volume 28
Issue 6
Start page 598
End page 602
Total pages 5
Publisher Springer-Verlag
Subject 2726 Microbiology (medical)
2404 Microbiology
1502 Banking, Finance and Investment
1305 Biotechnology
Abstract Colony radial growth rates of Rhizopus oligosporus and Aspergillus oryzae were compared under various conditions on agar plates containing cassava starch. Both organisms grew well on cassava starch as their sole source of carbon and energy, although growth was stimulated by the addition of yeast extract and peptone. Neither organism utilized ungelatinized starch effectively. The optimum initial pH for R. oligosporus was 7, although good growth was obtained at pH 5 when ammonium sulfate was partially replaced by urea. A. oryzae grew well over a range of initial pH values from 5 to 8. Growth of R. oligosporus was inhibited by NaCl concentrations above 0.5% (w/v) while A. oryzae was unaffected up to 4% NaCl. The best colony radial growth rate obtained for R. oligosporus was 1.01 mm/h, which was far superior to that obtained for A. oryzae (0.29 mm/h). R. oligosporus was chosen as the more suitable organism for future studies of the protein enrichment of cassava by solid-state fermentation.
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collection: Scopus Import - Archived
 
Versions
Version Filter Type
Citation counts: Scopus Citation Count Cited 20 times in Scopus Article | Citations
Google Scholar Search Google Scholar
Created: Tue, 16 Aug 2016, 13:27:42 EST by System User