Table 2.
Chemical compound | WF* | 50WEF | 50WEF aq | 70WEF | 70WEF aq | EF | EF aq |
---|---|---|---|---|---|---|---|
Gallic acid | 0.08 ± 0.0004 | n.d. | 4.45 ± 0.02 | n.d. | 9.55 ± 0.05 | 1.29 ± 0.006 | 9.93 ± 0.05 |
3-Hydroxytyrosol | 0.24 ± 0.001 | 4.32 ± 0.02 | 22.88 ± 0.1 | 3.28 ± 0.02 | 8.39 ± 0.04 | n.d. | 7.37 ± 0.36 |
4-Hydroxybenzoic acid | 0.32 ± 0.001 | n.d. | 4.62 ± 0.02 | n.d. | 1.74 ± 0.08 | n.d. | 0.7 ± 0.004 |
Chlorogenic acid | n.d. | n.d. | 5.87 ± 0.03 | 0.49 ± 0.002 | 2.69 ± 0.01 | n.d. | 1.88 ± 0.01 |
Caffeic Acid | 4.42 ± 0.02 | 4.32 ± 0.02 | 0.64 ± 0.003 | 3.5 ± 0.02 | 0.48 ± 0.002 | n.d. | 0.67 ± 0.003 |
Vanillic acid | 9.82 ± 0.05 | 6.89 ± 0.03 | 14.2 ± 0.007 | 7.77 ± 0.04 | 1.07 ± 0.005 | n.d. | 1.49 ± 0.007 |
Epicatechin | n.d. | n.d. | 14.8 ± 0.007 | n.d. | 42.88 ± 0.2 | n.d. | 0.63 ± 0.003 |
Syringic acid | 0.1 ± 0.0005 | 0.82 ± 0.004 | 10.94 ± 0.05 | 2.59 ± 0.012 | 3.42 ± 0.01 | 1.94 ± 0.0004 | 0.28 ± 0.001 |
p-Coumaric acid | 0.5 ± 0.002 | n.d. | 1.49 ± 0.007 | 0.47 ± 0.002 | 3.26 ± 0.02 | 0.08 ± 0.0004 | 0.61 ± 0.003 |
Salicylic acid | n.d. | n.d. | 1.81 ± 0.01 | n.d. | 5.15 ± 0.02 | 0.66 ± 0.003 | 1.48 ± 0.007 |
Quercetin-3-glucoside | n.d. | n.d. | 2.42 ± 0.01 | 0.36 ± 0.002 | n.d. | n.d. | 2.15 ± 0.012 |
Myricetin | n.d. | 14.49 ± 0.07 | 0.6 ± 0.003 | 12.16 ± 0.06 | 0.26 ± 0.001 | 10.25 ± 0.05 | 15.82 ± 0.08 |
Rosmarinic acid | n.d. | 33.09 ± 0.2 | 0.24 ± 0.001 | 49.15 ± 0.2 | 10.85 ± 0.05 | 30.42 ± 0.15 | 0.88 ± 0.004 |
Quercetin | n.d. | 1.5 ± 0.007 | 2.79 ± 0.01 | 0.87 ± 0.004 | 4.1 ± 0.02 | 1.49 ± 0.007 | 2.1 ± 0.01 |
5,7-Dimethoxycoumarin | 0.01 ± 0.00005 | 1.75 ± 0.009 | 3.39 ± 0.02 | 1.9 ± 0.01 | n.d. | n.d. | 2.88 ± 0.014 |
Genistein | 0.37 ± 0.001 | 0.56 ± 0.003 | 4.99 ± 0.02 | 1.47 ± 0.007 | n.d. | 0.33 ± 0.002 | 4.28 ± 0.02 |
Kaempferol | n.d. | 24.04 ± 0.1 | 0.56 ± 0.003 | 17.01 ± 0.08 | 7.73 ± 0.04 | 13.87 ± 0.07 | 0.41 ± 0.002 |
1,1-Dimethylallyl caffeate | n.d. | n.d. | 1.24 ± 0.006 | 0.34 ± 0.002 | 1.53 ± 0.007 | 0.19 ± 0.001 | 0.63 ± 0.003 |
Chrysin | 0.32 ± 0.001 | 0.23 ± 0.001 | 0.34 ± 0.002 | 0.23 ± 0.001 | 0.18 ± 0.001 | 0.14 ± 0.001 | 0.22 ± 0.0001 |
Caffeic acid phenethyl ester | n.d. | 1.17 ± 0.006 | 1.41 ± 0.007 | 1.14 ± 0.006 | n.d. | 1.23 ± 0.006 | 0.3 ± 0.001 |
*Legend—W 100% ddH2O, 50WE 50% ethanol, 70WE 70% ethanol, E 95% ethanol, F flower, aq aqueous extract, n.d. not detected