Research Article
Identification by HPLC-MS of Anthocyanin Derivatives in Raisins
Table 1
Retention times, mass spectral, and UV-Vis data of anthocyanins identified in musts from raisins after chamber drying.
| Peak | | M+(m/z) | MS2 frag. | (nm) | Compound |
| 1 | 19.10 | 465 | 303 | 524 | Dp-3-glc | 2 | 22.65 | 449 | 287 | 516 | Cy-3-glc | 3 | 24.81 | 479 | 317 | 526 | Pt-3-glc | 4 | 27.46 | 433 | 271 | 506 | Pg-3-glc | 5 | 29.91 | 463 | 301 | 518 | Pn-3-glc | 6 | 31.37 | 493 | 331 | 528 | Mv-3-glc | 7 | 32.25 | 561 | 399 | 490 | Vitisin A | 8 | 33.90 | 507 | 303 | 528 | Dp-3-acetylglc | 9 | 34.23 | 487 | 325 | 486 | B-type vitisin Pn-3-glc | 10 | 34.43 | 603 | 399 | 490 | A-type vitisin Mv-3-acetylglc | 11 | 35.66 | 517 | 355 | 490 | Vitisin B | 12 | 36.90 | 779 | — | 530 | Pn-3-glc-methylmethine(epi)catechin | 13 | 37.25 | 809 | 357 | 530 | Mv-3-glc-methylmethine(epi)catechin | 14 | 37.46 | 491 | 287 | 518 | Cy-3-acetylglc | 15 | 37.86 | 809 | 357 | 540 | Mv-3-glc-methylmethine(epi)catechin | 16 | 38.42 | 521 | 317 | 528 | Pt-3-acetylglc | 17 | 38.60 | 529 | 325 | 494 | B-type vitisin Pn-3-acetylglc | 18 | 39.07 | 779 | — | 528 | Pn-3-glc-methylmethine(epi)catechin | 19 | 39.07 | 559 | 355 | 494 | B-type vitisin Mv-3-acetylglc | 20 | 39.28 | 809 | 357 | 542 | Mv-3-glc-methylmethine(epi)catechin | 21 | 40.47 | 809 | 357 | 530 | Mv-3-glc-methylmethine(epi)catechin | 22 | 40.50 | 779 | — | 528 | Pn-3-glc-methylmethine(epi)catechin | 23 | 41.10 | 641 | 317 | 522 | Pt-3-caffeoylgluc | 24 | 41.58 | 505 | 301 | 520 | Pn-3-acetylglc | 25 | 42.16 | 535 | 331 | 532 | Mv-3-acetylglc | 26 | 44.05 | 625 | 301 | 522 | Pn-3-caffeoylglc | 27 | 44.41 | 655 | 331 | 534 | Mv-3-caffeoylglc | 28 | 44.46 | 851 | — | — | Mv-3-acetylglc-methylmethine(epi)catechin | 29 | 44.99 | 595 | 287 | 520 | Cy-3-coumaroylglc | 30 | 45.55 | 625 | 317 | 534 | Pt-3-coumaroylglc | 31 | 46.20 | 609 | 301 | 526 | Pn-3-coumaroylglc cis | 32 | 46.50 | 639 | 331 | 538 | Mv-3-coumaroylglc cis | 33 | 48.44 | 609 | 301 | 524 | Pn-3-coumaroylglc trans | 34 | 48.71 | 639 | 331 | 538 | Mv-3-coumaroylglc trans |
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