Research Article
Component Composition and Biological Activity of Various Extracts of Onosma gmelinii (Boraginaceae)
Table 2
Content of the sum of naphthoquinones in extracts from O. gmelinii.
| Extract name | Amount of naphthoquinones (% ± SD) |
| Percolation (P) | 1.30 ± 0.02 | Ultrasound-assisted extraction (UAE) | 2.98 ± 0.04 | Supercritical carbon dioxide extraction (CO2-SE) | 39.57 ± 0.55 |
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