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Production of lactic acid and fungal biomass by Rhizopus fungi from food processing waste streams.
- Source :
-
Journal of industrial microbiology & biotechnology [J Ind Microbiol Biotechnol] 2005 Dec; Vol. 32 (11-12), pp. 678-86. Date of Electronic Publication: 2005 Oct 06. - Publication Year :
- 2005
-
Abstract
- This study proposed a novel waste utilization bioprocess for production of lactic acid and fungal biomass from waste streams by fungal species of Rhizopus arrhizus 36017 and R. oryzae 2062. The lactic acid and fungal biomass were produced in a single-stage simultaneous saccharification and fermentation process using potato, corn, wheat and pineapple waste streams as production media. R. arrhizus 36017 gave a high lactic acid yield up to 0.94-0.97 g/g of starch or sugars associated with 4-5 g/l of fungal biomass produced, while 17-19 g/l fungal biomass with a lactic acid yield of 0.65-0.76 g/g was produced by the R. oryzae 2062 in 36-48 h fermentation. Supplementation of 2 g/l of ammonium sulfate, yeast extract and peptone stimulated an increase in 8-15% lactic acid yield and 10-20% fungal biomass.
- Subjects :
- Ananas chemistry
Ananas metabolism
Biomass
Culture Media chemistry
Fermentation
Rhizopus growth & development
Solanum tuberosum chemistry
Solanum tuberosum metabolism
Starch chemistry
Starch metabolism
Triticum chemistry
Triticum metabolism
Zea mays chemistry
Zea mays metabolism
Food Handling methods
Industrial Microbiology methods
Lactic Acid biosynthesis
Refuse Disposal methods
Rhizopus metabolism
Subjects
Details
- Language :
- English
- ISSN :
- 1367-5435
- Volume :
- 32
- Issue :
- 11-12
- Database :
- MEDLINE
- Journal :
- Journal of industrial microbiology & biotechnology
- Publication Type :
- Academic Journal
- Accession number :
- 16208461
- Full Text :
- https://doi.org/10.1007/s10295-005-0045-4