Table 1.

Identification and contents of anthocyanins in Amazon grape peel.

Peak no.	tR (min)	[M]+ (m/z)	MS/MS (m/z)	Identity	Content a (mg/kg fresh wt)
1	9.62	611	449/287	cyanidin 3,5-diglucoside	1.53 ± 0.82
2	9.90	465	303	delphinidin 3-galactoside	0.56 ± 0.74
3	10.82	465	303	delphinidin 3-glucoside	104.42 ± 2.45
4	11.75	449	287	cyanidin 3-glucoside	244.57 ± 2.13
5	12.26	595	449/287	cyanidin 3-rutinoside	3.03 ± 0.85
6	12.68	479	317	petunidin 3-glucoside	0.94 ± 0.56
7	13.35	433	271	pelargonidin 3-glucoside	0.69 ± 0.54
8	13.89	535	287	cyanidin 3-(3”-malonyl)glucoside	7.10 ± 0.87
9	14.45	463	301	peonidin 3-glucoside	3.02 ± 0.13
10	15.03	493	331	malvidin 3-glucoside	4.06 ± 0.52
11	16.01	535	449/287	cyanidin 3-(6”-malonyl)glucoside	50.36 ± 2.46

^a Content calculated as cyanidin-3-glucoside equivalent.