Table 1 The polyphenolic compounds analyzed by HPLC-MS (μg/g plant material)
Compounds | [M-H]-m/z | Retention time (Rt), min | N. pseudonarcissus | N. poeticus | G. nivalis | L. vernum |
|---|---|---|---|---|---|---|
neochlorogenic acid (y) | 353 | 3.30 ± 0.00 | NF | < 0.02 | NF | NF |
gentisic acid | 179 | 3.69 ± 0.04 | < 0.02 | < 0.02 | < 0.02 | < 0.02 |
chlorogenic acid | 353 | 6.43 ± 0.05 | 1425.56 ± 10.63 | 755.93 ± 4.06 | 2976.19 ± 12.80 | 1925.69 ± 6.31 |
cryptochlorogenic acid (z) | 353 | 7.10 ± 0.00 | NF | < 0.02 | NF | NF |
p-coumaric acid | 163 | 9.48 ± 0.08 | 46.54 ± 0.45 | 32.70 ± 0.29 | 73.02 ± 0.07 | 270.51± |
ferulic acid | 193 | 12.8 ± 0.10 | 78.88 ± 1.11 | 25.29 ± 0.70 | 26.80 ± 0.19 | < 0.02 |
quercetin-O-sophoroside or quercetin-3-O-galactosyl-(1 → 6)-galactoside | 625 | 15.4 ± 0.00 | < 0.02 | < 0.02 | < 0.02 | < 0.02 |
hyperoside | 463 | 18.60 ± 0.12 | 146.05 ± 1.94 | NF | NF | < 0.02 |
isoquercitrin | 463 | 20.29 ± 0.10 | < 0.02 | 6.59 ± 0.10 | 25.08 ± 0.31 | 8.76 ± 0.19 |
rutin | 609 | 20.76 ± 0.15 | < 0.02 | NF | NF | NF |
quercitrin | 447 | 23.64 ± 0.13 | 31.69 ± 0.10 | 9.26 ± 0.23 | 11.13 ± 0.06 | < 0.02 |
quercetin | 301 | 27.55 ± 0.15 | < 0.02 | NF | < 0.02 | NF |
kaempferol | 285 | 32.48 ± 0.17 | 4.82 ± 0.07 | NF | NF | NF |