TABLE 2.
Time courses for l- and d-arabitol concentrationsa
| Strain | Sampling time (min) | Concn (%) of metabolite ± SD
|
|
|---|---|---|---|
| l-Arabitol | d-Arabitol | ||
| C. arabinofermentans | 10 | 84.1 ± 0.9 | 15.9 ± 0.9 |
| PYCC 5603T | 20 | 11.3 ± 5.4 | 88.7 ± 5.4 |
| 40 | 11.5 ± 0.6 | 88.5 ± 0.6 | |
| 60 | 11.6 ± 2.3 | 88.4 ± 2.3 | |
| P. guilliermondii | 10 | 100.0 ± 0.0 | ND |
| PYCC 3012 | 20 | 100.0 ± 0.0 | ND |
| 40 | 51.5 ± 1.7 | 48.5 ± 1.7 | |
| 60 | 51 ± 15 | 49 ± 15 | |
a
Time courses are shown for l- and d-arabitol concentrations ± standard deviations (SD) as measured by chiral GC-MS during l-arabinose (20 mM) metabolism under aerobic conditions at 30°C. l-Arabinose was added at time zero. ND, not detected.