Table 6.
Relative quantification of the different flavonoid glucosides in the N. lotus stamen extracts.
| Peak Number | Tentative Identification | HRE | USAE | MPR |
|---|---|---|---|---|
| 1 | Myr 3-O-Gal | 21.1 ± 1.3 | 28.3 ± 1.1 | 76.9 ± 3.8 |
| 2 | Myr 3′-O-Xyl | 34.4 ± 1.7 | 45.7 ± 2.1 | 129.3 ± 6.7 |
| 3 | Que-3-O-Rha | 62.1 ± 3.1 | 86.3 ± 1.4 | 244.2 ± 5.1 |
| 4 | CNar-2″-O-Gal | 16.4 ± 1.3 | 22.9 ± 1.3 | 64.7 ± 3.6 |
| 5 | Kae-3-O-Gal | 54.7 ± 2.3 | 73.4 ± 3.2 | 200.2 ± 5.4 |
| 6 | Que-3′-O-Xyl | 29.1 ± 1.5 | 41.2 ± 2.1 | 117.2 ± 2.4 |
| 7 | Iso-7-O-Gal | 24.8 ± 1.6 | 33.6 ± 1.7 | 90.4 ± 3.3 |
| 8 | Iso-7-O-Xyl | 41.4 ± 2.4 | 55.4 ± 2.3 | 144.2 ± 5.7 |
| 9 | Iso-3-O-Xyl | 13.2 ± 1.4 | 19.7 ± 1.1 | 56.6 ± 1.7 |
Expressed in absorbance unit per g DW; HRE: N. lotus extract obtained by HRE; USAE: N. lotus extract obtained by USAE; MPR: N. lotus extract obtained by USAE followed by DAX-8 MPR purification step.