Figure 1.
The content of rosmarinic acid (RA) in the underground parts of different species of mint_
| Species of mint | Weight of specimen [g] | Amount of methanol [mL] | RA μg.ml−1 of extract | RA mg.g−1 of dry sample ± SD | % RA of dry sample ± SD |
|---|---|---|---|---|---|
| M. × piperita L. | 0.4373 | 8.8 | 156,60 ± 9,23 | 3.15 ± 0.18 | 0.32 ± 0.02 |
| M. spicata var. crispa L. “MAROCCO” | 0.5218 | 10.4 | 171,85 ± 5,99 | 3.43 ± 0.30 | 0.34 ± 0.01 |
| M. × piperita L. “BULHARSKÁ 1” | 0.3470 | 7.0 | 301,63 ± 0,89 | 6.09 ± 0.02 | 0.34 ± 0.00 |
| M. × piperita L. “BULHARSKÁ 2” | 0.5246 | 10.5 | 156,19 ± 0,86 | 3.13 ± 0.02 | 0.31 ± 0.00 |
| M. spicata L. | 0.3196 | 6.4 | 181,79 ± 6,74 | 3.65 ± 0.13 | 0.36 ± 0.01 |
| M. arvensis L. | 0.2118 | 4.3 | 138,29 ± 1,99 | 2.81 ± 0.04 | 0.28 ± 0.00 |
| M. longifolia var. asiatica (Boriss.) Rech.f. | 0.4340 | 8.7 | 189,51 ± 0,93 | 3.80 ± 0.01 | 0.38 ± 0.00 |
| M. × rotundifolia (L.) Huds. | 0.5203 | 10.4 | 257,90 ± 25,26 | 5.16 ± 0.50 | 0.52 ± 0.05 |
| M. longifolia (L.) L. | 0.4688 | 9.4 | 170,67 ± 6,14 | 3.42 ± 0.13 | 0.34 ± 0.01 |
| M. spicata var crispa L. | 0.4358 | 8.7 | 167,70 ± 6,68 | 3.35 ± 0.13 | 0.33 ± 0.01 |