Table 2.
Sapogenin composition (expressed as % ± SD of total sapogenins) obtained by acid hydrolysis of saponins extracted by the five Medicago spp.
| Sapogenin | M. heyniana | M. hybrida | M. lupulina | M. murex | M. truncatula |
|---|---|---|---|---|---|
| Oleanolic acid | 4.2 ± 1.3 | 5.9 ± 1.2 | - | 2.8 ± 0.3 | - |
| Hederagenin | 37.6 ± 2.3 | 23.2 ± 1.3 | <0.1 | 43.7 ± 0.9 | - |
| Bayogenin | 39.4 ± 0.8 | 19.0 ± 0.8 | 2.6 ± 0.1 | 36.9 ± 2.1 | 0.8 ± 0.1 |
| Medicagenic acid | 2.8 ± 0.7 | 32.7 ± 1.3 | 46.4 ± 1.7 | 1.7 ± 0.3 | 18.1 ± 0.8 |
| Zanhic acid | 3.8 ± 0.1 | 13.6 ± 0.7 | 15.3 ± 0.2 | 0.7 ± 0.2 | 20.3 ± 0.7 |
| Soyasapogenol A | 0.9 ± 0.3 | - | 6.0 ± 0.4 | 1.0 ± 0.2 | 3.7 ± 0.4 |
| Soyasapogenol B | 6.4 ± 1.7 | 4.3 ± 0.3 | 24.8 ± 0.6 | 7.4 ± 0.5 | 51.6 ± 1.3 |