Table 3.
EtOH | H2O | EtOH50% | |
---|---|---|---|
1-O-caffeoylquinic acid | 11.45 ± 0.24 a | 14.35 ± 0.41 a | 13.73 ± 0.34 a |
chlorogenic acid | 5.13 ± 0.09 a | 6.51 ± 0.12 a | 6.21 ± 0.16 a |
4-O-caffeoylquinic acid | 20.82 ± 0.34 a | 26.02 ± 0.35 a | 24.90 ± 0.61 a |
cynarina | 79.98 ± 0.65 a | 103.15 ± 0.85 a | 98.16 ± 2.74 a |
scolymoside | 5.11 ± 0.16 a | 6.24 ± 0.22 a | 6.00 ± 0.13 a |
luteolin-7-O-glucoside | 11.99 ± 0.25 a | 15.21 ± 0.29 a | 14.51 ± 0.38 a |
1,4-dicaffeoylquinic acid | 7.68 ± 0.11 a | 9.19 ± 0.19 a | 8.87 ± 0.18 a |
1,5-dicaffeoylquinic acid | 3.42 ± 0.07 a | 4.20 ± 0.15 a | 4.03 ± 0.09 a |
apigenin-7-O-rutinoside | 7.07 ± 0.23 a | 8.67 ± 0.38 a | 8.33 ± 0.19 a |
3,5-dicaffeoylquinic acid | 1.31 ± 0.03 a | 1.62 ± 0.10 a | 1.55 ± 0.04 a |
4,5-dicaffeoylquinic acid | 5.64 ± 0.31 a | 7.00 ± 0.06 a | 6.71 ± 0.16 a |
luteolin | 3.91 ± 0.10 a | 4.97 ± 0.21 a | 4.74 ± 0.12 a |
apigenin | 2.88 ± 0.18 a | 3.51 ± 0.13 a | 3.37 ± 0.07 a |
total phenol content | 11.21 ± 0.70 b | 28.49 ± 1.53 b | 33.62 ± 1.73 b |
radical scavenging activity | 36.86 ± 4.13 c | 105.54 ± 9.28 c | 144.37 ± 15.12 c |
a Data are expressed as µg/mgEXT; b TPC expressed as gGAE/gEXT; c DPPH scavenging activity expressed as μmolTrolox/mgEXT.