Table 1.
Contents of total phenolics and total flavonoids, and characterization of phenolic compounds in lotus seedpod by HPLC‐DAD‐ESI‐MS
| Peak no. | Retention Time (min) | [M‐H]‐, m/z | Identity | Molecular Weight | Content g/100 g DW |
|---|---|---|---|---|---|
| 1 | 2.26 | 593 | Not determined | 594 | – |
| 2 | 2.65 | 289 | Catechin | 290 | 8.27 ± 0.25 |
| 3 | 3.70 | 463 | Hyperoside | 464 | 5.51 ± 0.16 |
| 4 | 5.14 | 285 | Kaempherol | 286 | 1.24 ± 0.08 |
| 5 | 5.22 | 301 | Quercetin | 302 | 3.11 ± 0.11 |
| TPC(Total phenol content, mg GAE/g DW) | – | – | – | – | 34.23 ± 4.84 |
| TFC (Total flavonoid content, g RE/100g DW) | – | – | – | – | 25.12 ± 3.58 |
Means not applicable.