ArticleBrazilian journal of microbiology : [publication of the Brazilian Society for Microbiology]2018
Bioconversion of waste cooking oil glycerol from cabbage extract to lactic acid by Rhizopus microsporus.
Article in Brazilian journal of microbiology : [publication of the Brazilian Society for Microbiology], 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Mitochondrial genomic characteristics and phylogenetic analysis of a brewing fungus,Mitochondrial DNA. Part B, Resources · 2024Article
- Green chemicals from used cooking oils: Trends, challenges, and opportunities.Current opinion in green and sustainable chemistry · 2020Review
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Authors and funding
2 authors.
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Abstract
Glycerol from spent oil was processed by transesterification for biodiesel production. Although glycerol contains many types of impurities, it can be used as a C-source for lactic acid production by fungi, such as Rhizopus microsporus. In this study, we found that wild type R. microsporus (LTH23) produced more lactic acid than the mutant strains on cabbage glycerol media (CG media). More lactic acid was produced on CG media than on cabbage extract media (C media) by about two-fold in batch fermentation conditions. In addition, we found that lactic acid production in a fed-batch process was also slightly higher than in a batch process. To study the combined effects of pH, urea, and glycerol waste concentration on lactic acid production, a response surface methodology was used. The optimum pH, urea, and glycerol waste concentrations were pH 6.5, 3.75g/L, and 17g/L, respectively. The maximum lactic acid production predicted by this equation model was 4.03g/L.
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