Table 3.
Compounds identified in the ethanolic Hylocereus polyrhizus peel extract using UPLC-QTOF/MS.
| No. | Component name | A | B | C | Identification status and category |
|---|---|---|---|---|---|
| (1) | Gallic acid | 1.20 | 170.0215 | 169.0134 | Identified, tentative |
| (2) | Vitamin B2 | 1.86 | 376.1383 | 375.1326 | Identified, tentative |
| (3) | Quercetin-3-O-(6″-O-acetyl)-β-D-glucopyranoside | 4.54 | 506.1060 | 505.0985 | Identified, tentative |
| (4) | Sinapic acid | 5.41 | 224.0685 | 223.062 | Identified, tentative |
| (5) | Isorhamnetin-3-O-(2G-α-L-rhamnosyl)-rutinoside | 5.83 | 770.2269 | 769.2189 | Identified, tentative |
| (6) | Rutin | 8.36 | 610.1534 | 609.1471 | Identified, confirmed |
| (7) | Quercimeritrin | 8.37 | 464.0955 | 463.0892 | Identified, tentative |
| (8) | Kaempferol-3-O-β-D-glucopyranoside | 9.60 | 448.1005 | 447.0939 | Identified, tentative |
| (9) | Malvidin-3-O-(6-O- acetyl-β-D-glucopyranoside)-5-O-β-D-glucopyranoside | 9.91 | 696.1902 | 695.1828 | Identified, tentative |
A: retention time (min); B: natural mass (Da); C: observed m/z.