Table 4 Effect of POLY4 on antioxidant activity and total phenol concentrations of onion and garlic.
Treatments | Antioxidant activity mg of Trolox equivalents (TE) kg− 1 of fresh weight | Total phenol mg of gallic acid equivalent (GAE) kg− 1 of garlic (fresh weight) | ||||||
|---|---|---|---|---|---|---|---|---|
Onion | Garlic | Onion | Garlic | |||||
2022–2023 | 2023–2024 | 2022–2023 | 2023–2024 | 2022–2023 | 2023–2024 | 2022–2023 | 2023–2024 | |
100% K alone (No S) | 267.0 c | 321.0 g | 118.75 d | 300.28 c | 719.3 ab | 545.0 d | 326.50 d | 547.50 bc |
100% S alone (No K) | 253.0 d | 316.6 g | 153.75 bc | 297.33 cd | 663.3 e | 482.5 e | 433.50 bc | 562.50 b |
100% K (MOP) and S (BS) | 203.3 e | 323.6 fg | 144.00 c | 352.90 a | 486.0 g | 545.0 d | 426.50 bc | 602.50 a |
75% S (POLY4) | 304.0 a | 354.5 e | 144.75 c | 335.73 b | 730.0 a | 572.5 c | 406.50 c | 537.50 c |
100% S (POLY4) | 288.3 b | 393.4 d | 164.25 b | 242.83 f | 694.0 cd | 540.0 d | 516.50 a | 427.50 e |
150% S (POLY4) | 243.7 d | 485.0 a | 181.25 a | 302.30 c | 624.7 f | 672.5 b | 463.50 b | 567.50 b |
75% S (POLY4) + K (MOP) | 278.0 bc | 447.1 c | 148.00 c | 271.98 e | 702.7 bc | 692.5 b | 430.00 bc | 482.50 d |
100% S (POLY4) + K (MOP) | 276.7 bc | 458.2 b | 157.25 bc | 288.63 d | 675.3 de | 755.0 a | 410.00 c | 492.50 d |
150% S (POLY4) + K (MOP) | 277.0 bc | 330.9 f | 144.00 c | 274.48 e | 714.7 abc | 575.0 c | 453.50 b | 550.00 bc |
P value | < 0.0001 | < 0.0001 | < 0.0001 | < 0.0001 | < 0.0001 | < 0.0001 | < 0.0001 | < 0.0001 |
CV (%) | 2.02 | 0.97 | 4.46 | 1.44 | 1.51 | 1.48 | 4.09 | 1.93 |
