Peppermint | Spearmint | |||||||
---|---|---|---|---|---|---|---|---|
NaCl concentration | NaCl concentration | |||||||
0 mmol · L−1 | 10 mmol · L−1 | 20 mmol · L−1 | 0 mmol · L−1 | 10 mmol · L−1 | 20 mmol · L−1 | |||
Fresh weight (g) | 10.2 |
9.35 | 8.05 | ns |
8.05 | 7.42 | 6.82 | ns |
Plant height (cm) | 22.83 a |
21.13 a | 18.61 b | 24.06 a | 23.32 a | 21.23 b | ||
Root length (cm) | 12.97 | 14.41 | 12.81 | ns | 11.48 a | 11.26 a | 9.55 b | |
Dry matter (%) | 14.2 | 13.9 | 15.1 | ns | 17.2 | 17.8 | 19.8 | ns |
Total soluble solids (%) | 9.5 | 8.8 | 9.7 | ns | 9.5 | 9.7 | 10.2 | ns |
Nitrates (mg · kg−1 f.w.) | 828.5 | 855.7 | 766.6 | ns | 797.3 a | 721.4 a | 548.9 b | * |
Total antixidant capacity (mg AEAC · 100 g−1 f.w.) | 110.3 | 93.8 | 160.7 | ns | 65.0 b | 78.6 b | 115.7 a | |
Total soluble phenols (mg GAE · kg−1 f.w.) | 0.467 | 0.417 | 0.663 | ns | 0.367 b | 0.447 b | 0.577 a | |
Total chlorophyll (μg · g−1 f.w.) | 1138.4 | 1130.0 | 1133.9 | ns | 1173.4 | 1241.6 | 1287.7 | ns |
Total carotenoids (μg · g−1 f.w.) | 200.4 | 196.5 | 201.9 | ns | 204.7 b | 218.4 b | 234.8 a | |
Essential oil (ml · 100 g−1 f.w.) | 0.34 | 0.35 | 0.37 | ns | 0.19 b | 0.21 a | 0.22 a |
No. | compounds (mg · 100 g−1 d.w.) | Peppermint | Spearmint | ||||||
---|---|---|---|---|---|---|---|---|---|
NaCl concentration | NaCl concentration | ||||||||
0 mmol · L−1 | 10 mmol· L−1 | 20 mmol· L−1 | 0 mmol· L−1 | 10 mmol · L−1 | 20 mmol· L−1 | ||||
1 | Vanillic acid | 0.34 |
0.34 | 0.27 | ns |
0.84 | 0.78 | 0.71 | ns |
2 | 2,6-dihydroxybenzoic acid | 0.68 | 0.39 | 0.51 | ns | 0.77 | 0.61 | 0.77 | ns |
3 | Syringaldehyde | 0.03 | 0.02 | 0.05 | ns | 0.06 | 0.03 | 0.04 | ns |
4 | Daphetin | 0.13 | 0.14 | 0.12 | ns | 0.13 | 0.15 | 0.13 | ns |
5 | Caffeic acid | 11.79 | 9.88 | 12.45 | ns | 13.23 | 14.18 | 16.72 | ns |
6 | Ferulic acid | 0.23 | 0.32 | 0.24 | ns | 0.29 | 0.26 | 0.24 | ns |
7 | Caftaric acid | 19.35 | 17.40 | 23.29 | ns | 13.73 | 18.10 | 15.76 | ns |
8 | Neochlorogenic acid | 5.24 | 4.72 | 5.45 | ns | 3.06 | 3.64 | 3.62 | ns |
9 | Chlorogenic acid | 4.62 | 4.89 | 5.97 | ns | 4.47 | 6.18 | 5.43 | ns |
10 | Rosmarinic acid | 287.81 | 257.40 | 373.28 | ns | 417.62 | 489.75 | 491.95 | ns |
11 | Sinapyl alcohol | 0.68 | 0.59 | 0.64 | ns | 0.56 | 0.37 | 0.58 | ns |
12 | Fertaric acid | 1.80 | 1.72 | 1.85 | ns | 2.60 | 3.34 | 2.74 | ns |
13 | 0.76 | 1.17 | 1.29 | ns | 1.14 | 1.41 | 1.20 | ns | |
14 | Apigenin | 1.57 | 1.86 | 1.83 | ns | 0.55 | 0.62 | 0.95 | ns |
15 | Luteolin | 7.50 | 7.14 | 8.38 | ns | 1.85 | 2.30 | 2.62 | ns |
16 | Luteolin-7- |
0.88 | 0.98 | 1.02 | ns | 1.18 | 1.57 | 1.54 | ns |
17 | Hesperidin | 128.98 | 124.94 | 149.51 | ns | 88.72 | 78.69 | 88.95 | ns |
18 | Apigenin-7-glucoside | 0.21 | 0.28 | 0.31 | ns | 0.43 | 0.65 | 0.64 | ns |
19 | Naringenin | 1.90 | 2.05 | 2.76 | ns | 1.08 | 1.27 | 1.18 | ns |
20 | Kaempferol-3-glucoside | 0.02 | 0.01 | 0.01 | ns | 0.02 | 0.05 | 0.03 | ns |
21 | Arbutin | 0.07 | 0.08 | 0.08 | ns | 0.13 | 0.11 | 0.08 | ns |
22 | Syringic acid | 0.76 | 0.68 | 0.61 | ns | 0.47 | 0.62 | 0.38 | ns |
23 | Cryptochlorogenic acid | 16.22 | 16.78 | 20.73 | ns | 15.40 | 21.39 | 19.05 | ns |
24 | Quercetin-3-glucoside | 0.23 | 0.15 | 0.26 | ns | 0.34 | 0.32 | 0.35 | ns |
25 | Quercetin-4- |
40.03 | 38.67 | 47.29 | ns | 26.43 | 22.22 | 26.76 | ns |
26 | Rutin | 1.09 | 1.26 | 1.52 | ns | 2.47 | 1.82 | 1.73 | ns |
Macronutrients (mg · L−1) | Micronutrients (μg · L−1) | ||
---|---|---|---|
N-NO3− | 210 | Fe | 1150 |
N-NH4+ | 14 | Mn | 399 |
K | 391 | Zn | 150 |
P | 62 | Cu | 150 |
Mg | 49 | B | 500 |
Ca | 385 | Mo | 48 |
S | 232 |
No. | compounds | Peppermint | Spearmint | |||||||
---|---|---|---|---|---|---|---|---|---|---|
NaCl concentration | NaCl concentration | |||||||||
RI |
0 mmol · L−1 | 10 mmol · L−1 | 20 mmol · L−1 | 0 mmol· L−1 | 10 mmol· L−1 | 20 mmol· L−1 | ||||
1 | α-thujene | 929 | 0.03 |
0.03 | 0.03 | ns |
0.02 | 0.02 | 0.02 | ns |
2 | α-pinene | 935 | 0.60 | 0.61 | 0.61 | ns | 1.23 | 1.23 | 1.26 | ns |
3 | camphene | 950 | - | - | - | 0.02 | 0.01 | 0.02 | ns | |
4 | sabinene | 974 | 0.42 | 0.43 | 0.43 | ns | 1.66 | 1.71 | 1.71 | ns |
5 | β-pinene | 977 | 0.90 | 0.90 | 0.91 | ns | 2.52 | 2.53 | 2.60 | ns |
6 | 1-octen-3-ol | 982 | 0.02 | 0.01 | 0.01 | ns | - | - | - | |
7 | myrcene | 992 | 0.25 | 0.25 | 0.24 | ns | 4.65 | 4.46 | 4.47 | ns |
8 | 3-octanol | 996 | 0.07 | 0.07 | 0.05 | ns | 0.72 b |
0.79 a | 0.81 a | |
9 | pseudolimonene | 1004 | - | - | - | 0.11 | 0.10 | 0.11 | ns | |
10 | α-terpinene | 1016 | 0.26 | 0.22 | 0.24 | ns | 0.04 | 0.01 | 0.03 | ns |
11 | 1025 | 0.03 | 0.05 | 0.03 | ns | - | - | - | ||
12 | limonene | 1029 | 2.22 | 2.30 | 2.32 | ns | 17.57 | 17.99 | 17.97 | ns |
13 | 1,8-cineol | 1032 | 4.14 | 4.11 | 4.29 | ns | 16.44 | 16.34 | 16.86 | ns |
14 | 1040 | 0.14 | 0.14 | 0.13 | ns | 0.61 | 0.59 | 0.62 | ns | |
15 | 1051 | - | - | - | 0.12 | 0.13 | 0.14 | ns | ||
16 | γ-terpinene | 1060 | 0.46 | 0.39 | 0.44 | ns | 0.07 | 0.05 | 0.06 | ns |
17 | cis-sabinene hydrate | 1068 | 0.37 | 0.44 | 0.42 | ns | 0.01 | 0.03 | 0.02 | ns |
18 | terpinolene | 1087 | 0.12 | 0.11 | 0.11 | ns | 0.09 | 0.08 | 0.08 | ns |
Monoterpene hydrocarbons (%) | 10.00 | 10.06 | 10.27 | 45.88 | 46.07 | 46.77 | ||||
19 | linalool | 1100 | 0.10 | 0.10 | 0.09 | ns | 0.11 | 0.12 | 0.10 | ns |
20 | 1139 | - | - | - | 0.15 | 0.18 | 0.16 | ns | ||
21 | menthone | 1158 | 55.44 | 55.98 | 54.51 | ns | - | - | - | |
22 | menthofuran | 1164 | 6.49 | 5.64 | 6.15 | ns | - | - | - | |
23 | isomenthone | 1166 | 6.25 | 6.79 | 6.61 | ns | - | - | - | |
24 | neomenthol | 1167 | 0.12 | 0.12 | 0.12 | ns | - | - | - | |
25 | δ-terpineol | 1167 | - | - | - | 0.45 | 0.47 | 0.47 | ns | |
26 | menthol | 1176 | 15.16 | 15.24 | 15.30 | ns | - | - | - | |
27 | terpinen-4-ol | 1177 | 1.27 | 1.15 | 1.21 | ns | 0.13 | 0.11 | 0.14 | ns |
28 | neoisomenthol | 1182 | 0.07 | 0.07 | 0.07 | ns | - | - | - | |
29 | α-terpineol | 1189 | 0.14 | 0.13 | 0.13 | ns | 0.91 | 0.94 | 0.92 | ns |
30 | dihydrocarveol | 1193 | - | - | - | 0.11 | 0.09 | 0.08 | ns | |
31 | 1194 | - | - | - | 0.12 | 0.13 | 0.12 | ns | ||
32 | 1219 | - | - | - | 1.08 | 0.99 | 0.95 | ns | ||
33 | pulegone | 1238 | 1.76 | 1.68 | 1.73 | ns | - | - | - | |
34 | carvone | 1247 | - | - | - | 40.64 | 40.54 | 39.49 | ns | |
35 | piperitone | 1253 | 0.49 | 0.50 | 0.50 | ns | - | - | - | |
36 | dihydroedulan II | 1284 | - | - | - | 0.13 | 0.14 | 0.18 | ns | |
37 | menthyl acetate | 1294 | 0.42 | 0.58 | 0.65 | ns | - | - | - | |
Oxygenated monoterpenes (%) | 87.71 | 87.97 | 87.08 | 43.83 | 43.71 | 42.61 | ||||
38 | α-copaene | 1376 | - | - | - | 0.02 | 0.03 | 0.03 | ns | |
39 | β-bourbonene | 1383 | - | - | - | 0.49 | 0.54 | 0.58 | ns | |
40 | β-elemene | 1391 | - | - | - | 0.18 | 0.18 | 0.19 | ns | |
41 | β-caryophyllene | 1415 | 0.60 | 0.54 | 0.74 | ns | 3.82 | 2.69 | 3.89 | ns |
42 | α-humulene | 1451 | - | - | - | 0.17 | 0.17 | 0.18 | ns | |
43 | 1461 | 0.11 | 0.10 | 0.13 | ns | 0.11 | 0.11 | 0.11 | ns | |
44 | germacrene-D | 1479 | 1.01 | 0.84 | 1.17 | ns | 4.35 | 4.03 | 4.22 | ns |
45 | bicyclogermacrene | 1492 | 0.09 | 0.07 | 0.10 | ns | 0.37 | 0.35 | 0.38 | ns |
46 | δ-cadinene | 1525 | - | - | - | 0.09 | 0.09 | 0.10 | ns | |
Sesquiterpene hydrocarbons (%) | 1.82 | 1.54 | 2.14 | 9.61 | 8.20 | 9.67 | ||||
47 | caryophyllene oxide | 1584 | - | - | - | 0.04 | 0.02 | 0.04 | ns | |
48 | viridiflorol | 1591 | 0.26 | 0.25 | 0.26 | ns | - | - | - | |
Oxygenated sesquiterpenes (%) | 0.26 | 0.25 | 0.26 | 0.04 | 0.02 | 0.04 | ||||
49 | 13-epi-manool oxide | 2012 | - | - | - | 0.12 | 0.17 | 0.18 | ns | |
Oxygenated diterpenes (%) | 0.00 | 0.00 | 0.00 | 0.12 | 0.17 | 0.18 | ||||
Total (%) | 99.79 | 99.82 | 99.75 | 99.48 | 98.18 | 99.27 |