Table 2.
Analytical performance data of polyphenols by UPLC-ESI-MS/MS.
| Compound Name | Regression Equation | Calibration Range (µg/mL) | R2 | LOD (ng/mL) | LOQ (ng/mL) |
|---|---|---|---|---|---|
| Gallic acid | Y = 246.765X − 5.02768 | 0.12–4.81 | 0.9952 | 15.29 | 50.98 |
| Chlorogenic acid | Y = 269.863X + 6.49917 | 0.09–3.64 | 0.9921 | 15.21 | 50.69 |
| Vanillin | Y = 97.6209X − 2.37704 | 0.13–5.14 | 0.9954 | 103.13 | 343.77 |
| Ferulic acid | Y = 233.118X − 10.8833 | 0.13–5.06 | 0.9952 | 0.87 | 2.90 |
| Gallogen | Y = 492.921X − 10.2403 | 0.10–4.00 | 0.9968 | 0.84 | 2.81 |
| Rutin | Y = 296.566X − 8.78358 | 0.13–5.33 | 0.9984 | 0.65 | 2.18 |
| Isoquercetin | Y = 210.1X − 3.09922 | 0.11–4.31 | 0.9988 | 0.86 | 2.86 |
| Quercitrin | Y = 286.726X − 9.29514 | 0.10–3.77 | 0.9926 | 0.61 | 2.05 |
| Baicalin | Y = 73.2853X − 3.93154 | 0.12–4.74 | 0.9916 | 3.00 | 9.99 |
| Quercetin | Y = 420.472X − 5.82231 | 0.11–4.20 | 0.9942 | 5.21 | 17.36 |
| Kaempferide | Y = 2221.11X + 11.1101 | 0.08–3.34 | 0.9995 | 6.78 | 22.59 |