Table 2.
Percentage extraction yield of the plants included in the study
| Scientific name | Extraction yield (%) | |
|---|---|---|
| 70% Ethanol extract | Water extract | |
| A. precatorius | 9.6 | 11.8 |
| A. nilotica | 27.9 | 29.2 |
| B. linariifolia | 7.6 | 8.0 |
| B. papyrifera | 34.3 | 33.2 |
| C. ipecacuanha | 10.6 | 11.4 |
| C. colocynthis | 4.1 | 9.8 |
| C. sinensis | 11.4 | 12.2 |
| C. proximus | 5.8 | 5.0 |
| C. rotundus. | 5.5 | 2.2 |
| G. alata | 10.1 | 11.6 |
| M. annua | 2.4 | 2.4 |
| P. glaucum | 5.1 | 5.4 |
| R. graveolens | 24.3 | 21.6 |
| S. argel | 20.2 | 15.0 |
| T. bakis | 9.4 | 8.9 |
| T. foenum-graceum | 13.7 | 11.8 |
| V. madagascariensis | 28.5 | 35.8 |
| Z. spina-christi | 19.9 | 16.6 |
% extraction yield is expressed as w/w g of dried extract