Table 4.
UHPLC/Q-TOF-MS identification of lipase inhibitors and IC50 values.
| Number | Rt (min) | MS | MS/MS | ppm | Formula | Compound | IC50 (μg/mL) |
|---|---|---|---|---|---|---|---|
| 1 | 1.409 | 169.0141 | 4.6 | C7H6O5 | Gallic acid | — | |
| 2 | 3.725 | 289.0724 | 215.0714, 173.0535, 149.0206, 125.0215, 109.0283 | 2.2 | C15H14O6 | Catechin | — |
| 3 | 4.48 | 289.0724 | 276.4677, 205.0499, 163.0368, 131.0053, 109.0317 | 2.2 | C15H14O6 | Epicatechin | — |
| 4 | 6.484 | 389.1168 | 227.1165 | 3.89 | C20H22O8 | Polydatin | 1318 |
| 5 | 6.766 | 405.1184 | 243.0656, 137.0237 | 0.95 | C20H22O9 | 2,3,5,4′-Tetrahydroxystilbene-2-O-β-D-glucoside | 350.5 |
| 6 | 9.203 | 227.2002 | 202.0698, 176.0559, 99.9223, 91.0179, 73.5614 | 3.35 | C14H12O3 | Resveratrol | 564.3 |
| 7 | 10.597 | 431.1386 | 269.0448, 225.0540 | 0.86 | C21H20O10 | Emodin-8-O-glucoside | 296.0 |
| 8 | 11.836 | 445.0595 | 283.0595, 240.0415 | 0.76 | C22H22O10 | Physcion-8-O-glucoside | 421.5 |
| 9 | 12.127 | 283.0606 | 240.0409 | 3.76 | C15H8O6 | Rhein | 231.0 |
| 10 | 17.188 | 269.0460 | 241.0491, 225.0549, 210.0312, 197.0598 | 3.89 | C15H10O5 | Emodin | 349.7 |
| 11 | 18.786 | 283.0610 | 240.0419, 116.9278 | 0.88 | C16H12O5 | Physcion | 812.8 |