Table 2.
HPLC-MS polyphenolic profile of extracts fractions.
| Class | Compound [M/z]− |
Eryngium planum | Cnicus benedictus | ||
|---|---|---|---|---|---|
| µg/mL | µg/mL | ||||
| MF. | Conc. | MF. | Conc. | ||
| Flavonols | Rutin [609] | 183.63 | 290.52 | 1.87 | 3.56 |
| Kaempferol [285] | 3.55 | 4.20 | 0.62 | 0.73 | |
| Isoquercetin [463] | 23.40 | 36.11 | 7.54 | 9.75 | |
| Isorhamnetin [477] | 0.17 | 0.47 | - | - | |
| Quercetol [301] | 2.06 | 3.03 | - | - | |
| Flavone | Luteolin [285] | 0.72 | 0.93 | 0.50 | 0.62 |
| Apigenin [269] | - | - | 0.20 | 0.56 | |
| Phenolic acids | Caffeic acid [19] | 4.51 | 5.68 | 4.07 | 5.58 |
| Rosmarinic acid [359] | 15.53 | 18.95 | 7.62 | 10.17 | |
| Ferulic acid [193] | 6.39 | 7.07 | - | - | |
| Chlorogenic acid [353] | 40.33 | 63.02 | 315.11 | 454.29 | |
| p-Coumaric acid [163] | 4.29 | 4.66 | 7.52 | 8.35 | |
| Sinapic acid [223] | 0.67 | 9.93 | 109.74 | 249.85 | |
| Ellagitannins | Ellagic acid [301] | 1.29 | 1.32 | 1.19 | 1.54 |
| Isoflavones | Genistein [269] | 1.42 | 1.49 | 2.20 | 2.47 |
| Genistin [433] | 2.09 | 2.80 | 1.80 | 2.61 | |
| Daidzein [253] | 0.17 | 0.35 | 2.31 | 4.68 | |
“-”, under limit of detection.