| Title |
Bioactivity of Grape Skin from Small-Berry Muscat and Augustiatis of Samos: A Circular Economy Perspective for Sustainability |
| ID_Doc |
21634 |
| Authors |
Michalaki, A; Iliopoulou, EN; Douvika, A; Nasopoulou, C; Skalkos, D; Karantonis, HC |
| Title |
Bioactivity of Grape Skin from Small-Berry Muscat and Augustiatis of Samos: A Circular Economy Perspective for Sustainability |
| Year |
2022 |
| Published |
Sustainability, 14.0, 21 |
| DOI |
10.3390/su142114576 |
| Abstract |
Consumer interest in health-promoting foods has prompted researchers to use wine by-products to increase food's functional characteristics. This research aims to examine the skin bioactivities of Samos white (small-berry Muscat) and red (Augustiatis) grape skin extracts (M-GSkE, A-GSkE). Total phenolic content, antiradical activity, the inhibition of plasma oxidation and platelet aggregation, and the phenolic profile were examined. A-GSkE and M-GSkE showed high total phenolics (1.19 +/- 0.13 vs. 2.12 +/- 0.23 mM GAE), antiradical activity (7.7 +/- 0.4 vs. 6.6 +/- 0.3 mu M GAE for ABTS; 31.12 +/- 0.8 vs. 26.4 +/- 1.0 mu M GAE for DPPH), resistance to plasma oxidation (5.7 +/- 0.4 vs. 1.1 +/- 0.2 mu M GAE), and antithrombotic activity (19.7 +/- 0.1 vs. 26.6 +/- 0.2 mu M GAE). Ferulic (41.3 +/- 0.1 > 13.2 +/- 0.1 mu g/g DM), vanillic (26.3 +/- 1.7 > 12.2 +/- 1.2 mu g/g DM), and gallic (16.6 +/- 0.1 > 8.4 +/- 2.9 mu g/g DM) acids along with epsilon-viniferin (3.6 +/- 0.4 > 2.8 +/- 0.3 mu g/g DM) were identified in higher content in A-GSkE. Catechin (59.8 +/- 1.5 mu g/g DM), chlorogenic acid (43.8 +/- 0.9 mu g/g DM), and resveratrol (0.83 +/- 0.13 mu g/g DM) were identified only in M-GSkE, while caffeic acid 19.8 +/- 0.4 mu g/g DM) and daidzein (16.8 +/- 0.1 mu g/g DM) were identified only in A-GSkE. The specialized bioactivities researched in two previously unexplored Samos' wine grape skin extracts give them added value. The valorization of such by-products promises a sustainable future in the food sector of local communities and an improvement in local public health. |
| Author Keywords |
grape skin; wine making by-products; phenolics; antiradical activity; antioxidant activity; antiplatelet activity |
| Index Keywords |
Index Keywords |
| Document Type |
Other |
| Open Access |
Open Access |
| Source |
Science Citation Index Expanded (SCI-EXPANDED); Social Science Citation Index (SSCI) |
| EID |
WOS:000883987400001 |
| WoS Category |
Green & Sustainable Science & Technology; Environmental Sciences; Environmental Studies |
| Research Area |
Science & Technology - Other Topics; Environmental Sciences & Ecology |
| PDF |
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