Table 2.
Analysis of Malva sylvestris, Solanum nigrum, Rosa damascena and their extracts
| Plant materials | Total ash % | Acid insoluble ash% | Loss on drying% | Swelling index |
Total polyphenols
*
|
Tannins
*
|
||
|---|---|---|---|---|---|---|---|---|
| plant | Extract | Plant | Extract | |||||
| M.sylvestris | 15.7±0.1 | 0.3±0.0 | 4.9±0.5 | 11.8±0.3 | 7.1±0.9 | 9.1±0.0 | 1.9±0.1 | 1.1±0.3 |
| S.nigrum | 17.6±0.1 | 2.5±0.2 | - | - | 9.4±1.2 | 10.9±0.7 | 3.7±0.2 | 1.3±0.1 |
| R.damascena | 4.5±0.1 | - | 10.8±1.3 | - | 34.5±1.2 | 0.1±0.0 | 20.4±2.1 | 0.006±0.002 |
*
Data expressed as milligram of pyrogallol equivalents per gram plant powder or per milliliter extract.