Table 1.
Extractable contents (mg/g) of six compounds in Angelica sinensis using sonication (SE), pressurized liquid extraction (PLE), supercritical fluid extraction (SFE), hydrodistillation (HD) and decoction (DC).
| Methods/Samples | Analytes (mean±SD, n=3) | ||||||
|---|---|---|---|---|---|---|---|
| FA a | CF | E-Lig | E-Bp | Z-lig | Z-Bp | Total | |
| SE | |||||||
| OS b | 0.36±0.01 | 6.11±0.07 | 0.23±0.00 | 0.08±0.00 | 4.34±0.04 | 0.20±0.00 | 11.32 |
| FS | 0.10±0.00 | 20.12±0.47 | 0.84±0.02 | 0.10±0.00 | 11.85±0.23 | 0.10±0.00 | 33.11 |
| PLE | |||||||
| OS | 0.44±0.01 | 6.18±0.19 | 0.51±0.01 | 0.11±0.01 | 6.96±0.13 | 0.22±0.01 | 14.42 |
| FS | 0.17±0.00 | 19.17±0.09 | 0.69±0.01 | 0.12±0.00 | 10.91±0.10 | 0.12±0.00 | 31.18 |
| SFE | |||||||
| OS | 0.14±0.00 | 5.50±0.04 | 0.34±0.01 | 0.07±0.00 | 5.49±0.09 | 0.15±0.01 | 11.69 |
| FS | 0.05±0.00 | 8.65±0.06 | 0.32±0.01 | 0.05±0.00 | 5.63±0.13 | 0.04±0.00 | 14.74 |
| HD | |||||||
| OS | - c | - | 0.04±0.00 | 0.05±0.00 | 3.49±0.10 | 0.14±0.00 | 3.72 |
| FS | - | - | 0.04±0.00 | 0.02±0.00 | 2.60±0.05 | 0.04±0.00 | 2.70 |
| DC | |||||||
| OS | 0.76±0.02 | - | 0.04±0.00 | - | 0.53±0.02 | - | 1.33 |
| FS | 1.04±0.04 | - | 0.08±0.00 | - | 0.55±0.01 | - | 1.67 |
aFA, ferulic acid; CF, coniferyl ferulate; E-Lig, E-ligustilide; E-Bp, E-butylidenephthalide; Z-Lig, Z-ligustilide; Z-Bp, Z-butylidenephthalide; bOS: old stock sample; FS, fresh sample; refer to Angelica sinensis obtained from Minxian of Gansu Province in November of 2005 and 2006, respectively; c Not detected.