Table 1.
Percentage yield, AChE and DPPH radical scavenging IC50 concentrations of stem, leaf, and root extracts and fractions of C. lutea.
| Extract or fraction | Yield (%) | IC50 concentration (μg/mL) |
|
|---|---|---|---|
| AChE | DPPH radicalscavenging | ||
| Stem | |||
| cETSE | 21.7 | 140 | 343 |
| EASF | 1.75 | 472 | 675 |
| n-HSF oil | 22.0 | 140 | >1000 |
| EASF oil | 9.0 | 503 | 123 |
| n-HSF | 19.1 | 912 | >1000 |
| MTSF | 52.8 | 142 | 118 |
| MTSF oil | 12.9 | 472 | 825 |
| cSSE | 22.0 | 811 | 351 |
| DCSF | 19.5 | >1000 | 449 |
| cETSE oil | 15.6 | 840 | 334 |
| HASE | 12.5 | 547 | 504 |
| Leaf | |||
| cHALE | 13.4 | >1000 | 196 |
| cETLE | 7.8 | 478 | 849 |
| CHLF | 3.0 | 60 | 500 |
| cETLF | 27.1 | 81 | >1000 |
| cBULE | 10.2 | 738 | >1000 |
| n-HLF | 3.7 | 461 | 141 |
| cEALE | 3.6 | 500 | >1000 |
| Root | |||
| cMTRE | 44.1 | 3 | 509 |
| CHRF | 12.3 | 137 | 849 |
| BURF | 8.0 | 247 | >1000 |
| n-HRF | 16.5 | 173 | 500 |
| EARF | 5.8 | 0.3 | >1000 |
| AQRF | 20.2 | 2 | 141 |