Table 3.
Valerenic acid derivatives contents of valerian extracts.
| Extraction Method |
Contents (mg/g Lyophilized Extract) | |||||||
|---|---|---|---|---|---|---|---|---|
| Roots | Rhizomes | |||||||
| Hva 1 | Ava | Va | Total | Hva | Ava | Va | Total | |
| 25 °C extract | ||||||||
| 25C0E | 0.34 ± 0.01G 2 | 0.89 ± 0.04K | 0.04 ± <0.01K | 1.27 ± 0.04N | 0.85 ± 0.03H | 2.62 ± 0.02K | 0.10 ± <0.01J | 3.57 ± 0.03M |
| 25C25E | 0.46 ± 0.01F | 2.23 ± 0.09J | 0.13 ± <0.01IJ | 2.82 ± 0.10L | 0.96 ± 0.03H | 5.99 ± 0.26J | 0.20 ± 0.01J | 7.15 ± 0.28L |
| 25C50E | 0.52 ± 0.01F | 3.79 ± 0.06H | 1.13 ± 0.04G | 5.44 ± 0.07I | 1.84 ± 0.05F | 12.22 ± 0.13G | 2.70 ± 0.05G | 16.76 ± 0.18I |
| 25C75E | 0.80 ± 0.03D | 5.07 ± 0.19E | 1.44 ± 0.04F | 7.31 ± 0.21F | 2.60 ± 0.12D | 13.89 ± 0.58EF | 3.40 ± 0.15F | 19.89 ± 0.71F |
| 25C95E | 2.77 ± 0.11C | 12.65 ± 0.44C | 3.34 ± 0.12C | 18.76 ± 0.51C | 3.84 ± 0.12B | 21.81 ± 0.56C | 4.35 ± 0.01C | 30.00 ± 0.55C |
| 50 °C extract | ||||||||
| 50C0E | 0.37 ± 0.02G | 1.15 ± 0.04K | 0.09 ± <0.01JK | 1.61 ±0.05MN | 0.85 ± 0.03H | 3.10 ± 0.11K | 0.14 ± <0.01J | 4.09 ± 0.12M |
| 50C25E | 0.50 ± 0.02F | 2.62 ± 0.04I | 0.20 ± 0.01I | 3.32 ± 0.03K | 1.23 ± 0.05G | 8.16 ± 0.16I | 0.38 ± 0.01I | 9.77 ± 0.15K |
| 50C50E | 0.63 ± 0.02E | 4.27 ± 0.13G | 1.47 ± 0.06F | 6.37 ± 0.17H | 2.00 ± 0.09E | 12.26 ± 0.54G | 3.36 ± 0.13F | 17.62 ± 0.62H |
| 50C75E | 0.83 ± 0.03D | 5.22 ± 0.11E | 1.82 ± 0.03E | 7.87 ± 0.12E | 2.89 ± 0.13C | 14.49 ± 0.41DE | 3.83 ± 0.14E | 21.21 ± 0.64E |
| 50C95E | 3.35 ± 0.08B | 13.05 ± 0.28B | 3.87 ± 0.09B | 20.27 ± 0.36B | 4.11 ± 0.19A | 23.41 ± 1.05B | 4.61 ± 0.10B | 32.13 ± 1.03B |
| 75 °C extract | ||||||||
| 75C0E | 0.48 ± 0.01F | 1.17 ± 0.03K | 0.09 ± <0.01JK | 1.74 ± 0.03M | 0.89 ± 0.03H | 3.16 ± 0.09K | 0.20 ± 0.01J | 4.25 ± 0.08M |
| 75C25E | 0.52 ± 0.02F | 2.90 ± 0.11I | 0.30 ± 0.01H | 3.72 ± 0.12J | 1.15 ± 0.04G | 9.25 ± 0.41H | 0.64 ± 0.03H | 11.04 ± 0.40J |
| 75C50E | 0.64 ± 0.01E | 4.60 ± 0.06F | 1.51 ± 0.02F | 6.75 ± 0.07G | 2.00 ± 0.09E | 13.56 ± 0.44F | 3.40 ± 0.14F | 18.96 ± 0.63G |
| 75C75E | 0.87 ± 0.01D | 6.07 ± 0.13D | 1.99 ± 0.03D | 8.93 ± 0.14D | 2.92 ± 0.11C | 15.18 ± 0.62D | 3.98 ± 0.16D | 21.99 ± 0.59D |
| 75C95E | 3.48 ± 0.05A | 14.26 ± 0.39A | 4.16 ± 0.11A | 21.90 ± 0.44A | 4.25 ± 0.20A | 24.20 ± 1.184A | 4.77 ± 0.21A | 33.22 ± 1.22A |
1 Hva: Hydroxyvalerenic acid; Ava: Acetoxyvalerenic acid; Va: Valerenic acid; Total = Hva + Ava + Va. 2 Each value is expressed as mean ± standard deviation (n = 4). Means with different capital letters within a column differ significantly (p < 0.05).