Method | Weight of saponin/% | |||
1 | 2 | 3 | mean value | |
Gravimetric determination | 56.97 | 57.12 | 56.63 | 56.91 ± 0.25 |
Vanille-sulfuric acid | 59.05 | 58.59 | 59.31 | 58.98 ± 0.36 |