Table 4.
Maximum amounts of the main phenolic compounds (mg/100 g DW ± SD) in extracts from N. officinale control and experimental in vitro cultures after elicitation (p < 0.05 vs control, n = 6)
| Polyphenol compounds | Maximal content (mg/100 g DW ± SD) | Elicitor | Elicitor concentration | Harvest time after elicitor treatment | C (mg/100 g DW ± SD) |
|---|---|---|---|---|---|
| p-Coumaric acid | 38.76 ± 0.72 | MeJA | 100 μM | 6 days | 64.38 ± 9.26 |
| Ferulic acid | 17.76 ± 2.07 | NaSA | 50 μM | 8 days | 16.46 ± 0.09 |
| Rutoside | 17.00 ± 1.45 | NaSA | 100 μM | 8 days | 21.17 ± 2.67 |