| Source of Variations | d.f | Phytochemicals and Antioxidant Activity | C-glycosyl flavone (µg/g) | |||||||
| DPPH activity (%) | FRAP Activity (Fe (II)/g) | Total Phenolic Content (mg quercetin/g DW) | Total Flavonoid Content (mg GAE/g DW) | Shaftoside | Isoorientin | Orientin | Isovitexin | Vitexin | ||
| Block | 4 | 1.05 | 616.55 | 0.12 | 0.94 | 0.84 | 1.83 | 0.22 | 0.72 | 0.18 |
| Harvesting age (HA) | 2 | 49.85 ** | 10034.29 ** | 95.17 ** | 34.73 ** | 7.03 | 0.82 | 0.03 | 0.28 | 0.17 |
| Harvesting frequency (HF) | 2 | 97.23 ** | 25343.55 ** | 75.63 ** | 22.47 ** | 77.16 * | 14.39 * | 1.71 | 0.94 | 0.59 |
| Interaction (HA × HF) | 4 | 1.38 | 1301.28 * | 3.62 ** | 0.04 | 40.53 | 0.24 | 0.13 | 0.48 | 0.34 |
| Error | 32 | 0.59 | 371.59 | 0.18 | 0.61 | 17.42 | 1.59 | 0.09 | 0.56 | 0.20 |
| Total | 44 | |||||||||
| Contrast | ||||||||||
| Linear (HA) | 1 | 33.20 ** | 6621.36 * | 54.57 * | 22.68 * | 2.55 | 0.355 | 0.01 | 0.25 | 0.11 |
| Quadratic (HA) | 1 | 0.03 | 67.14 | 8.83 ** | 0.50 | 2.16 | 0.00 | 0 | 0.24 | 0.01 |
| Linear (HF) | 1 | 64.77 ** | 16759.20 ** | 50.04 ** | 14.91 ** | 51.10 * | 11.32 * | 1.13 * | 0.33 | 0.11 |
| Quadratic (HF) | 1 | 0.05 | 137.13 | 0.33 * | 0.04 | 0.3 | 2.78 | 0.02 | 0.3 | 0.01 |
| * and ** are significantly difference at p < 0.05 and p < 0.01 respectively. | ||||||||||