Table 3.
Accuracy of the assay.
| Compound | Mean of actual amount (µg/mL) | Mean amount spiked | Mean recovered amount | Mean% recovery | % RSD |
|---|---|---|---|---|---|
| Ascorbic acid | |||||
| 1 | 76.12 | 38.06 | 113.1 | 99.1 | 0.27 |
| 2 | 75.81 | 37.905 | 115.0 | 101.1 | 0.31 |
| 3 | 75.11 | 37.555 | 113.6 | 100.8 | 1.21 |
| Gallic acid | |||||
| 1 | 177.4 | 87.88 | 258.2 | 97.0 | 2.33 |
| 2 | 176.0 | 174.2 | 264.5 | 100.2 | 1.01 |
| 3 | 174.9 | 263.15 | 265.9 | 101.4 | 0.67 |
| Rutin | |||||
| 1 | 27.27 | 17.68 | 41.2 | 100.7 | 0.56 |
| 2 | 26.95 | 35.87 | 40.6 | 100.4 | 0.33 |
| 3 | 27.82 | 54.11 | 42.5 | 101.8 | 1.12 |
| Ellagic acid | |||||
| 1 | 42.32 | 28.11 | 66.2 | 104.3 | 1.30 |
| 2 | 42.56 | 57.77 | 64.3 | 100.7 | 3.93 |
| 3 | 43.01 | 85.76 | 65.1 | 100.9 | 4.44 |