TABLE 4.
Compounds identified in SBA via UHPLC-DAD-Quadrupole-Orbitrap-MS.
| No | Rt (min) | m/z | Proposed formula | Error (ppm) | MS2 data (m/z) | Identification |
|---|---|---|---|---|---|---|
| 1 | 3.66 | 191.0556 | C7H12O6 | 3.53 | 173, 160, 127, 109, 102, 93, 85, 71, 59 | Quinic acid |
| 2 | 7.46 | 169.01360 | C7H6O5 | 2.66 | 125, 123, 107, 97, 79, 69 | Gallic acid |
| 3 | 14.36 | 633.07458- | C27H22O18 | 3.70 | 301, 275, 257, 229, 145 | Galloyl-HHDP-glucoside |
| 4 | 20.99 | 615.10016- | C28H24O16 | 3.41 | 435, 351, 300, 271, 255, 243, 229 | Quercetin-galloyl-glucoside |
| 5 | 21.09 | 409.11478 | C19H22O10 | 4.54 | 247, 215, 203, 188, 171, 159, 127 | Aloenin A |
| 6 | 21.15 | 433.11450 | C21H22O10 | 3.64 | 270, 253 | Hydroxyaloin |
| 7 | 22.87 | 609.14709 | C27H30O16 | 3.41 | 300, 271, 255, 243, 151 | Rutin |
| 8 | 23.78 | 300.99936 | C14H6O8 | 4.87 | Ellagic acid | |
| 9 | 24.62 | 433.11475- | C21H22O10 | 4.22 | 270, 253 | Hydroxyaloin |
| 10 | 24.62 | 463.08911 | C21H20O12 | 4.33 | 300, 271, 255, 243, 151 | Quercetin glucoside |
| 11 | 29.08 | 717.20471- | C34H38O17 | 3.04 | 555, 409, 307, 247, 203, 188, 171, 145, 123, 119 | Aloenin B |
| 12 | 33.61 | 247.06129 | C13H12O5 | 4.82 | 215, 203, 188, 171, 159, 127, 123 | Aloenin aglycone |
| 13 | 35.76 | 417.12007 | C21H22O9 | 4.99 | 297, 268, 251, 225 | Aloin A/B |
| 14 | 39.05 | 555.18756 | C29H32O11 | 2.65 | 435, 393, 89, 247, 214, 160, 147 | Aloeresin D |
| 15 | 40.30 | 417.11957 | C21H22O9 | 3.74 | 297, 268, 251, 225 | Aloin A/B |
| 16 | 48.79 | 563.17749 | C27H32O13 | 2.79 | 443, 279, 251 | Aloinoside B/A |