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	𝑅𝑡	M^+(m/z)	MS^2 frag.	𝜆max (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