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ROS, CA and derived variables ROS/CA ratio and phenylpropanoids in water-ethanol extracts from rhizomes and roots of 2- to 4-year-old R. rosea cultivated in CSBG (Novosibirsk, Russia)
| Year of cultivation | ROS, % | CA, % | ROS-CA ratio x : 1 | PP, % | ||||
|---|---|---|---|---|---|---|---|---|
| Rhizome | Root | Rhizome | Root | Rhizome | Root | Rhizome | Root | |
| Year 2 | 2.69 | 0.47 | 2.77 | 0.27 | 0.97 : 1 | 1.74 : 1 | 5.46 | 0.74 |
| Year 3 | 2.01 | 0.15 | 2.52 | 0.20 | 0.80 : 1 | 0.75 : 1 | 4.53 | 0.35 |
| Year 4 | 4.71 | 0.80 | 3.39 | 0.78 | 1.39 : 1 | 1.02 : 1 | 8.1 | 1.58 |
PP, phenylpropanoids.
