Concentration mg/100g
Wastes Extract Catechin Gallic Caffeic Vanillic Cumaric Ferulic Cinnamic Chlorogenic Rosmarinic Rutin
Red romy skin EtOAc 151 3.84 - - - - 138 20.7 - 20.8
BuOH 0.91 7.09 - - - 2.85 - 2.44 - -
EtOH 2.78 30.6 5.49 6.21 0.85 3.88 37.7 8.21 187 52.2
Red romy seeds EtOAc 6.81 16.4 - 9.55 - 5.25 7.47 6.56 - 104
BuOH 20.4 366 - 171 4.48 235 2690 49.1 218 482
EtOH - 212 - 94.5 114 216 1146 370 7.98 17.2
Crimson skin EtOAc - 6.34 6.8 1.61 - - 1949 59.1 16.4 129
BuOH 4.31 85 - 26.2 46.3 - 425 - 79.2 996
EtOH 1.62 23.9 5.56 - 15.6 4.68 82.4 - 2.71 207
Thompson seedless skin EtOAc 2.68 82.5 29.6 0.51 - - 4.81 16.3 51.2 9.63
BuOH 5.93 15.3 26 6.76 2.39 - 518 - 55.6 866
EtOH 7.53 1058 231 4.34 90 36.6 457 - 453 749
Grenache noir skin EtOAc 0.57 3.99 17.7 - - 12.8 - 20.2 - -
BuOH 15.3 48.8 22.3 11.6 1.53 88 42 30.2 - 75.3
EtOH - 22.6 29.8 2.1 46.1 91.8 187 - 116 284
Grenache noir seeds EtOAc - 3.48 6.04 - - - - - - -
BuOH 7.93 67.8 153 11.8 1.72 - 105 24.1 - 5.54
EtOH - 77.1 15.6 26.6 11.7 12.1 56.4 61.3 - 43
Table 3: concentration of phenolic acids (mg/100g) in the investigated samples by HPLC.