Table A1.
Anthocyanins identified in purple sweet potato peel.
| Peak nº | RT (min) | Formula | Tof MS (m/z) | MS/MS (Fragment Ions (m/z)) | Identification |
|---|---|---|---|---|---|
| 1 | 13.29 | C33H41O21 | 773.2141 | 612.1654/450.1107/287.0550 | Cy-3-soph-glc |
| 2 | 17.07 | C34H43O21 | 787.2296 | 625.1765/463.1239/301.0707 | Peo-3-soph-5-glc |
| 2 | 26.03 | C40H45O23 | 893.2342 | 731.1807/449.1077/287.0550 | Cy-3-p-hydroxybenzoylsoph-5-glc |
| 3 | 27.55 | C42H47O24 | 935.2443 | 773.1904/449.1086/287.0544 | Cy-3-(6‴-caffeoyl soph)-5-glc |
| 4 | 29.72 | C41H47O23 | 907.2512 | 745.1976/463.1240/301.0707 | Peo-3-hydroxybenzoylsoph-5-glc |
| 5 | 32.36 | C43H49O24 | 949.2608 | 787.2059/449.1073/287.0542 | Cy-3-feruloyl soph-5-glc |
| 6 | 35.48 | C42H47O24 | 935.2457 | 773.1926/449.1074/287.0552 | Cy-3-caffeoyl soph-5-glc |
| 7 | 35.90 | C44H51O24 | 963.2778 | 801.2241/463.1238/301.0707 | Peo-3-feruloyl soph-5-glc |
| 8 | 38.09 | C43H49O24 | 949.2616 | 787.2078/463.1233/301.0703 | Peo-3-caffeoyl soph-5-glc |
| 9 | 40.21 | C51H53O27 | 1097.2761 | 935.2227/449.1055/287.0549 | Cy-3-dicaffeoyl soph-5-glc |
| 10 | 40.31 | C49H51O26 | 1055.2672 | 893.2138/449.1079/287.0555 | Cy-3-caffeoyl-p-hydroxybenzoyl-soph-glc |
| 11 | 44.11 | C52H55O27 | 1111.2934 | 949.2386/449.1077/287.0547 | Cy-3-caffeoyl-feruloyl soph-5-glc |
| 12 | 45.21 | C52H55O27 | 1111.2928 | 949.2389/463.1229/301.0698 | Peo-3-dicaffeoyl-soph-5-glc |
| 13 | 45.23 | C50H53O26 | 1069.2793 | 907.2286/463.1233/301.0698 | Peo-3-caffeoyl-p-hydroxybenzoyl soph-5-glc |
| 14 | 46.35 | C49H51O25 | 1039.2695 | 877.2158/433.1117/271.0597 | Pg-3-caffeoyl-p-hydroxybenzoyl soph-5-glc |
| 15 | 49.31 | C53H57O27 | 1125.3080 | 963.2550/463.1235/301.0698 | Peo-3-caffeoyl-feruloyl soph-5-glc |
| 16 | 52.57 | C51H55O26 | 1083.2977 | 921.2438/463.123/301.0706 | Peo-3-(6′-p′-hydroxybenzoyl-6″-feruloyl soph)-5-glc |
| 17 | 13.29 | C33H41O21 | 773.2141 | 612.1654/450.1107/287.0550 | Cy-3-soph-glc |