Table 9.
Total antioxidant activity and total phenol content in quinoa seedlings after 21 days with different salt treatments: A = 200 mM NaCl, 5.08 mM KCl, 5.08 mM CaCl2, 26.76 mM MgCl2, 50 % SW; B = 400 mM NaCl, 10.16 mM KCl, 10.16 mM CaCl2, 53.52 mM MgCl2, 100 % SW. Different letters in the same column denote significant differences among treatments (P ≤ 0.05). Mean ± SE (n = 4–5).
NaCl | KCl | CaCl2 | MgCl2 | SW | |
---|---|---|---|---|---|
Total antioxidant activity (mmol α-tocopherol/g FW) | |||||
Control | 2.07 ± 0.03c | 2.07 ± 0.03a | 2.07 ± 0.03a | 2.07 ± 0.03a | 2.07 ± 0.03b |
A | 4.35 ± 0.05b | 1.76 ± 0.02b | 2.06 ± 0.02a | 2.16 ± 0.07a | 6.20 ± 0.03a |
B | 6.01 ± 0.06a | 1.56 ± 0.02c | 1.82 ± 0.04b | 1.58 ± 0.04b | – |
Total phenols (mg TAET/g DW) | |||||
Control | 272 ± 40c | 272 ± 40a | 272 ± 40a | 272 ± 40a | 272 ± 40b |
A | 635 ± 20b | 322 ± 30a | 252 ± 30a | 222 ± 30a | 1075a |
B | 840 ± 30a | 312 ± 10a | 240 ± 20a | 239 ± 20a | – |