Table 2.
Validation parameters for the ultra-performance liquid chromatography (UPLC) method.
| Flavonoid/Anthocyanin Component | Linearity (r2) | Slope (y) | Response (Sy) | Sy/y | LOD * (µg·mL−1) |
LOQ ** (µg·mL−1) |
|---|---|---|---|---|---|---|
| Rutin | 0.999303 | 0.2737 | 5.2262 | 19.0921 | 63.00 | 190.92 |
| Luteolin | 0.999692 | 0.2745 | 4.9727 | 18.1111 | 59.76 | 181.11 |
| Quercetin | 0.999667 | 0.2756 | 4.6358 | 16.8164 | 55.49 | 168.16 |
| Cyanidin-3-O-glucoside chloride | 0.998590 | 0.2767 | 4.3319 | 15.6526 | 51.65 | 156.52 |
| Peonidin-3-O-glucoside | 0.999506 | 0.2757 | 4.6096 | 16.7147 | 55.15 | 167.14 |
| Pelargonidin-3-O-glucoside | 0.998351 | 0.2754 | 4.7720 | 17.3254 | 57.17 | 173.25 |
* Limit of detection; ** Limit of quantification.