Table 3.
Maximum absorbance of products obtained during 48 hours of whole-cell biotransformation of selected precursors
| Precursor | Wavelength of product λmax (nm) | Absorbance of product (Abs) | |||
|---|---|---|---|---|---|
| TV7 | FF25 | AB123 | CU139 | ||
| 2,5DABS | 460, 544 | 5.40 ± 0.05 | 6.89 ± 0.03 | 5.18 ± 0.02 | 3.24 ± 0.43 |
| AHBS | 436 | 5.94 ± 0.11 | 8.62 ± 0.26 | 5.84 ± 0.06 | 3.37 ± 3.49 |
| 2A3HP | 420 | 4.79 ± 0.18 | 7.85 ± 0.00 | 6.39 ± 0.07 | 3.61 ± 1.69 |
| ANS | 490 | 0.71 ± 0.02 | 0.70 ± 0.00 | 0.71 ± 0.04 | 0.39 ± 0.14 |
| DHN | 590 | 0.18 ± 0.03 | 1.00 ± 0.00 | 0.87 ± 0.10 | 0.66 ± 0.39 |
Biotransformation of selected precursors was carried out in liquid cultures of four fungal strains (TV7, FF25, AB123, and CU139) immobilized on PMS. Absorbance of products was monitored spectrophotometrically after 48 hours.