Wastes (W) Solvents(S) Mean
EtOH : HCl 50% EtOH 80% EtOH Me2CO
Red Romy Skin 14.61 ± 0.3 1.81 ± 0.07 1.95 ± 0.1 1.54 ± 0.2 4.98d
Red Romy seed 15.54 ± 0.6 14.64 ± 0.37 14.19 ± 0.9 13.21 ± 0.5 14.40b
Crimson Skin 13.78 ± 0.7 1.80 ± 0.07 1.74 ± 0.3 1.48 ± 0.0 4.70d
Thompson Seedless Skin 1.13 ± 0.3 3.83 ± 0.46 6.47 ± 0.9 2.37 ± 0.1 3.45e
Grenache Noir skin 20.63 ± 0.6b 8.53 ± 0.21 11.87 ± 2.9 7.30 ± 0.3 12.08c
Grenache Noir seed 28.50 ± 0.9a 11.37 ± 0.25 14.90 ± 0.5 16.33  ± 0.8c 17.78a
Mean 15.70a 7.00c 8.52b 7.04c -
LSD0.01 W=1.14          S=0.93       W*S interaction=1.72
Data are represented as mean ± S.E.
Statistical analysis is carried out by two way analysis of variance using COSTAT
program.
Unshared letters between brackets are significant value between groups.
Table 1: Total phenolic content (mg/g) in different grape pomaces using different
extracting solvents.