| Enhancer |
| ||
| 12.5 | 25 | 100 | |
| L-cysteine | − | − | + |
| Glutathione | − | − | + |
| 2-ME | + | + | + |
| DTT | + | + | + |
| Enhancer |
| ||
| 12.5 | 25 | 100 | |
| L-cysteine | − | − | + |
| Glutathione | − | − | + |
| 2-ME | + | + | + |
| DTT | + | + | + |
/enhancer (μmol·l−1)*