Table 1.
Comparison of total polyphenols content (TPC) and antioxidant capacity of red and white grape pomace polyphenols extracts.
| Grape Pomace (GP) | TPC (mg GAE */g GP) |
Antioxidant Capacity | References | |||
|---|---|---|---|---|---|---|
| DPPH (μmol TE **/g GP) |
ABTS (μmol TE/g GP) |
FRAP (μmol FeSO4 * 7H2O/g GP) |
||||
| Vitis vinifera sp. Cultivated in Maipo Valley, Chile | [15] | |||||
| White | Sauvignon Blanc | 19 | 120 | - | - | |
| Chardonnay | 17 | 90 | - | - | ||
| Red | Cabernet Sauvignon | 14 | 60 | - | - | |
| Carménère | 13 | 70 | - | - | ||
| Vitis vinifera sp. cultivated in Virginia, USA | [30] | |||||
| White | Vidal Blanc (hybrid variety) | 55.5 | 7.71 | 334 | - | |
| Viognier (Vitis vinifera sp.) | 99.1 | 3.54 | 951 | - | ||
| Red | Cabernet Franc (V. vinifera sp.) | 153.8 | 11.2 | 1013 | - | |
| Chambourcin (hybrid variety) | 92.0 | 28.2 | 378 | - | ||
| Vitis vinifera sp. cultivated in Rhineland-Palatinate, Germany | [32] | |||||
| White | 4 varieties of Pinot Blanc and 6 of Riesling | 48 | - | - | - | |
| Red | 5 varieties of Dornfelder, 5 of Pinot noir and 2 of Portugais bleu | 58 | - | - | - | |
| Vitis vinifera sp. cultivated in Blacksburg, Crozet, Floyd VA, USA | [33] | |||||
| White | Viognier | 11.8 | - | - | - | |
| Vidal Blanc | 12.5 | - | - | - | ||
| Niagara | 24.8 | - | - | - | ||
| Petit Manseng | 32.1 | - | - | - | ||
| Red | Petit Verdot | 64.8 | - | - | - | |
| Merlot | 35.8 | - | - | - | ||
| Cabernet Franc | 36.1 | - | - | - | ||
| Chambourcin | 10.4 | - | - | - | ||
| White | unknown varieties | 90.51 | - | - | 1619 | [34] |
| Red | unknown varieties | 107.40 | - | - | 1886 | |
| Vitis vinifera sp. cultivated in Cappadocia district of Nevsehir province (Emir), Tokat province (Narince), Sarkoy-Murefte district of Trakya region (Gamay), Ankara province (Kalecik Karasi), Elazig province (Okuzgozu), Turkey | [35] | |||||
| White | Emir | 75.5 | - | - | - | |
| Narince | 138.1 | - | - | - | ||
| Red | Gamay | 255.4 | - | - | - | |
| Kalecik Karasi | 205.7 | - | - | - | ||
| Okuzgozu | 281.4 | - | - | - | ||
| Vitis vinifera sp. cultivated in Blackstone, VA, USA | [36] | |||||
| White | Chardonnay | 24.5 | - | - | - | |
| Red | Cabernet Franc | 30.4 | - | - | - | |
| Vitis vinifera sp. cultivated in Cantine Cantele, Apulia Region, Southern Italy | [37] | |||||
| White | Fiano | 127.06 | - | - | - | |
| Red | Negramaro | 127.87 | - | - | - | |
| Vitis vinifera sp. cultivated in Paros, Greece | [38] | |||||
| White | Monemvassia | 4.49 | - | - | 0.32 | |
| Red | Mandilaria | 5.1 | - | - | 0.31 | |
| Aidani mavro | 0.25 | - | - | 0.21 | ||
* GAE—gallic acid equivalent ** TE—Trolox equivalent.