Table 3 Details on Metabolites Identified by HRMS
From: Bergenia pacumbis from Nepal, an astonishing enzymes inhibitor
S. No. | Compounds | Molecular Formula | Molecular weight [M] | Measured Mass (M-H)− | Observed Mass (M-H)− | Retention Time (minutes) | Error (ppm) |
|---|---|---|---|---|---|---|---|
1 | Bergenin | C14H16O9 | 328.273 | 327.072 | 327.072 | 14.00 | 1.22 |
2 | Catechin | C15H14O6 | 290.260 | 289.071 | 289.071 | 17.60 | 0.62 |
3 | Arbutin | C12H16O7 | 272.253 | 271.082 | 271.082 | 5.80 | 0.06 |
4 | Gallic acid | C7H6O5 | 170.120 | 169.014 | 169.014 | 8.30 | 0.57 |
5 | Protocatechuic acid | C7H6O4 | 154.121 | 153.019 | 153.019 | 12.50 | 1.25 |
6 | Syringic acid | C9H10O5 | 198.174 | 197.045 | 197.045 | 12.70 | 1.02 |
7 | Hyperoside | C21H20O12 | 464.379 | 463.088 | 463.087 | 24.70 | 0.72 |
8 | Afzelechin | C15H14O5 | 274.272 | 273.076 | 273.076 | 17.10 | 1.93 |
9 | Methyl gallate | C8H8O5 | 184.150 | 183.029 | 183.029 | 15.70 | 1.91 |
10 | Paashaanolactone | C19H24O10 | 412.136 | 411.129 | 411.129 | 21.30 | 0.39 |
11 | Astilbin | C21H22O11 | 450.396 | 449.108 | 449.108 | 17.80 | 1.68 |
12 | Quercetin | C15H10O7 | 302.236 | 301.035 | 301.034 | 25.70 | 1.82 |
13 | Kaempferol-7-O-glucoside | C21H20O11 | 448.380 | 447.093 | 447.093 | 26.00 | 0.33 |
14 | Diosmetin | C16H12O6 | 300.266 | 299.056 | 299.055 | 18.70 | 1.82 |
15 | Phloretin | C15H14O5 | 274.260 | 273.076 | 273.076 | 19.80 | 0.51 |
16 | Morin | C15H10O7 | 302.235 | 301.035 | 301.035 | 25.60 | 0.34 |