Table 3.
Anthocyanin characterisation in EAQ and EA70 grape pomace seed extracts.
| Seeds-EAQ | Seeds-EA70 | |||||
|---|---|---|---|---|---|---|
| GRE1 a | SYR1 a | CAR a | GRE1 a | SYR1 a | CAR a | |
| Dp-3-O-Glc | 0.03 ± 0.00a | 0.08 ± 0.00b | 0.40 ± 0.00c | 0.19 ± 0.00a | 0.31 ± 0.00b | 3.11 ± 0.02c |
| Cy-3-O-Glc | 0.02 ± 0.00a | 0.02 ± 0.00a | 0.05 ± 0.00b | 0.09 ± 0.00b | 0.05 ± 0.00a | 0.23 ± 0.00c |
| Pt-3-O-Glc | 0.05 ± 0.00a | 0.14 ± 0.00b | 0.43 ± 0.00c | 0.33 ± 0.01a | 0.58 ± 0.02b | 3.18 ± 0.01c |
| Pn-3-O-Glc | 0.11 ± 0.00a | 0.12 ± 0.00b | 0.15 ± 0.01c | 0.56 ± 0.03a | 0.47 ± 0.02a | 1.11 ± 0.00b |
| Mv-3-O-Glc | 0.39 ± 0.00a | 0.93 ± 0.00b | 1.48 ± 0.02c | 2.36 ± 0.12a | 3.57 ± 0.08b | 10.52 ± 0.11c |
| Mv-3-O-Glc-acetaldehyde (vitisin B) | Nd | 0.02 ± 0.00b | 0.02 ± 0.00a | 0.01 ± 0.00a | 0.05 ± 0.00c | 0.03 ± 0.00b |
| Dp-3-O-(6"-O-acetyl)-Glc | Nd | 0.02 ± 0.00 | Nd | Nd | 0.09 ± 0.00b | 0.06 ± 0.00a |
| Dimer Mv-Cat | 0.01 ± 0.00a | 0.03 ± 0.00b | Nd | 0.04 ± 0.00a | 0.05 ± 0.00b | 0.06 ± 0.00c |
| Mv-3-O-glc-pyruvate (vitisin A) | 0.02 ± 0.00a | 0.04 ± 0.00b | 0.04 ± 0.00b | 0.12 ± 0.00b | 0.07 ± 0.00a | 0.14 ± 0.00c |
| Dimer Mv-Cat | 0.002 ± 0.00a | 0.07 ± 0.00c | 0.05 ± 0.00b | Nd | 0.13 ± 0.00a | 0.17 ± 0.00b |
| Dimer Mv-Cat | 0.01 ± 0.00a | 0.03 ± 0.00c | 0.02 ± 0.00b | 0.10 ± 0.00a | 0.13 ± 0.00b | 0.16 ± 0.00c |
| Pn-3-O-(6"-O-acetyl)-Glc | 0.01 ± 0.00a | 0.07 ± 0.00b | Nd | 0.07 ± 0.00a | 0.32 ± 0.01c | 0.12 ± 0.00b |
| Mv-3-O-(6"-O-acetyl)-Glc | 0.02 ± 0.00a | 0.32 ± 0.00c | 0.09 ± 0.00b | 0.06 ± 0.00a | 0.9 ± 0.03c | 0.31 ± 0.00b |
| Dp-3-O-(6"-O-coumaroyl)-Glc | 0.005 ± 0.00a | 0.06 ± 0.00b | 0.10 ± 0.00c | 0.05 ± 0.00a | 0.18 ± 0.00b | 0.58 ± 0.01c |
| Mv-3-O-(6"-O-caffeoyl)-Glc | 0.01 ± 0.00a | 0.04 ± 0.00c | 0.02 ± 0.00b | 0.08 ± 0.00a | 0.11 ± 0.00b | 0.33 ± 0.00c |
| Cy-3-O-(6"-O-coumaroyl)-Glc | 0.01 ± 0.00a | 0.02 ± 0.00b | 0.02 ± 0.00b | 0.07 ± 0.00a | 0.07 ± 0.00a | 0.11 ± 0.00b |
| Pt-3-O-(6"-O-coumaroyl)-Glc | 0.01 ± 0.00a | 0.11 ± 0.00b | 0.11 ± 0.00b | 0.08 ± 0.00a | 0.35 ± 0.01b | 0.66 ± 0.00c |
| Mv-3-O-(6"-O-coumaroyl)-Glc | 0.06 ± 0.00a | 1.14 ± 0.01c | 0.65 ± 0.00b | 0.80 ± 0.00a | 2.85 ± 0.00b | 4.51 ± 0.04c |
| Total anthocyanins Glc | 0.60 ± 0.00a | 1.30 ± 0.00b | 2.52 ± 0.03c | 3.53 ± 0.16a | 4.99 ± 0.12b | 18.15 ± 0.09c |
| Total anthocyanins acetylated | 0.03 ± 0.00a | 0.41 ± 0.00c | 0.09 ± 0.00b | 0.13 ± 0.00a | 1.30 ± 0.02c | 0.49 ± 0.00b |
| Total anthocyanins coumaroylated | 0.08 ± 0.00a | 1.32 ± 0.01c | 0.88 ± 0.00b | 1.00 ± 0.00a | 3.44 ± 0.01b | 5.86 ± 0.02c |
| Total anthocyanins | 0.76 ± 0.00a | 3.26 ± 0.01b | 3.63 ± 0.03c | 5.00 ± 0.17a | 10.28 ± 0.14b | 25.38 ± 0.11c |
a GRE1, Grenache; SYR1, Syrah; CAR, Carignan; Dp, Delphinidin; Cy, Cyanidin; Pt, Petunidin; Pn, Peonidin, Mv, Malvidin; Cat, Catechin; Glc, glucoside; Nd, not determined. Data are expressed as the mean of triplicate ± standard deviation as mg malvidin-3-O-glucoside equivalents/g DW of skins. a, b, c; ANOVA was made to compare values obtain between varieties for the same compound. Same letters indicate no significant differences between the value (Tukey’s test, p < 0.05).