Phytochemical compound | Agro-ecological zones | Dry season | Wet season | p-value |
---|---|---|---|---|
Total phenolic content (mg/g GAE) | Lari | 18.11 ± 1.22 | 11.71 ± 1.12 | 0.001 |
Kiambaa | 49.92 ± 2.21 | 71.85 ± 7.87 | 0.010 | |
Juja | 15.30 ± 1.15 | 37.73 ± 1.93 | 0.038 | |
Thika | 67.45 ± 0.01 | 45.59 ± 2.00 | 0.0001 | |
Mean | 37.70 ± 11.19 | 41.72 ± 3.63 | 0.528 | |
Total flavonoid content (mg/g RUTE) | Lari | 38.42 ± 3.66 | 45.89 ± 4.4 | 0.049 |
Kiambaa | 28.54 ± 4.03 | 37.00 ± 3.0 | 0.016 | |
Juja | 11.07 ± 2.80 | 48.31 ± 2.04 | 0.001 | |
Thika | 35.27 ± 1.08 | 33.12 ± 3.17 | 0.363 | |
Mean | 28.325 ± 2.89 | 41.78 ± 2.89 | 0.002 | |
Total tannin content (mg/g TAE) | Lari | 34.61 ± 2.55 | 20.76 ± 1.22 | 0.002 |
Kiambaa | 12.50 ± 3.03 | 4.96 ± 0.95 | 0.006 | |
Juja | 21.77 ± 11.52 | 16.60 ± 0.76 | 0.610 | |
Thika | 6.98 ± 1.09 | 3.96 ± 0.89 | 0.036 | |
Mean | 18.88 ± 4.55 | 11.57 ± 1.01 | 0.087 |