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High-Efficiency Conversion of Pyruvate to Acetoin by Lactobacillus plantarum during pH-Controlled and Fed-Batch Fermentations.
| Content Provider | Semantic Scholar |
|---|---|
| Author | Montville, Thomas J. Hsu, Anna Meyer, M. Eugene |
| Copyright Year | 1987 |
| Abstract | The influence of pH on the type and concentration of metabolites produced from pyruvate by Lactobacillus plantarum ATCC 8014 was examined in pH-controlled fermentors at pH values of 4.5 to 6.5. Specific growth rates, cell dry weights, and diacetyl concentrations were highest at pH 5.5, with values of 0.78 h, 190 mg/liter, and 1.2 mM, respectively. While the conversion efficiency (millimoles of acetoin formed per millimoles of pyruvate utilized) was highest (94.6%) at pH 4.5, acetoin levels were similar (20 mM) between pH 4.5 and 5.5. Feeding stationary-phase cells exogenous pyruvate increased acetoin levels to 78 mM. |
| File Format | PDF HTM / HTML |
| DOI | 10.1128/aem.53.8.1798-1802.1987 |
| PubMed reference number | 16347405 |
| Journal | Medline |
| Volume Number | 53 |
| Issue Number | 8 |
| Alternate Webpage(s) | http://aem.asm.org/content/53/8/1798.full.pdf |
| Alternate Webpage(s) | https://doi.org/10.1128/aem.53.8.1798-1802.1987 |
| Journal | Applied and environmental microbiology |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |