Table 1.
Saponin and sapogenin content (g/100 g) of extracts from fenugreek (FE) and quinoa (QE) and their hydrolyzed extracts (HFE and HQE) *.
| Rt (Min) | Compound | FE | HFE |
|---|---|---|---|
| SAPONINS | 31.13 | 2.01 | |
| 12.78 | Fenugreek saponin I | 6.63 | n.d. |
| 12.87 | Fenugreek saponin II | 10.66 | n.d. |
| 13.09 | Fenugreek saponin III | 6.02 | 0.64 |
| 14.17 | Fenugreek saponin IV | 5.02 | 1.05 |
| 14.75 | Fenugreek saponin V | 2.80 | 0.33 |
| SAPOGENINS | 8.14 | ||
| 20.80 | 3,5-Spirostadiene derivative | n.d. | 0.43 |
| 20.90 | 3,5-Spirostadiene derivative | n.d. | 0.13 |
| 21.66 | Smilagenin | n.d. | 0.24 |
| 21.79 | Sarsasapogenin | n.d. | 0.64 |
| 22.24 | Diosgenin | n.d. | 2.57 |
| 22.34 | Tigogenin | n.d. | 0.60 |
| 22.39 | Yamogenin | n.d. | 1.23 |
| 22.48 | Neotigogenin | n.d. | 0.64 |
| 23.52 | Yuccagenin | n.d. | 0.03 |
| 23.70 | Gitogenin | n.d. | 1.21 |
| 23.88 | Neogitogenin | n.d. | 0.42 |
| QE | HQE | ||
| SAPONINS | 7.86 | 2.00 | |
| 13.44 | Quinoa saponin I | 1.29 | 0.23 |
| 13.75 | Quinoa saponin II | 3.74 | 1.39 |
| 14.38 | Quinoa saponin III | 2.82 | 0.38 |
| SAPOGENINS | 5.63 | ||
| 24.25 | Oleanolic acid | n.d. | 1.55 |
| 25.24 | Hederagenin | n.d. | 0.82 |
| 27.01 | Serjanic acid | n.d. | 1.83 |
| 28.47 | Phytolaccagenic acid | n.d. | 1.44 |
n.d. = not detected, * The saponin content refers to the amount of saponins in a single extract derived from the mixture of at least five replicate extractions. The sapogenin content refers to the amount in a single extract derived from the mixture of at least three replicate hydrolysis.