Table 1.
Quantity of identified active compounds in differently prepared lemon balm extracts.
| Extract type | Active compounds ± SE (µg/mL) | ||||||
|---|---|---|---|---|---|---|---|
| Protocatechuic acid | Caftaric acid | Caffeic acid | Luteolin-7-glucoside | Ferulic acid | Cichoric acid | Rosmarinic acid | |
| Aqueous (N1) | 1.1 ± 0.12 | 14.2 ± 0.23 | 3.0 ± 0.17 | 1.0 ± 0.10 | 5.1 ± 0.21 | 7.9 ± 0.16 | 244.7 ± 1.8 |
| Ethanolic 40% (N2) |
9.84 ± 0.11 | 24.35 ± 1.0 | 39.22 ± 0.13 | 5.06 ± 0.11 | 14.73 ± 0.14 | 10.04 ± 0.10 | 152.96 ± 0.2 |
| Ethanolic 70% (N3) |
16.87 ± 0.25 | 67.8 ± 0.18 | 73.27 ± 0.16 | 30.40 ± 0.22 | 69.3 ± 0.15 | 49.43 ± 0.17 | 1750.2 ± 2.9 |