Table 1.
Resveratrol concentrations in grape berries of different species and cultivars at different developmental stages.
| Species | Accessions or cultivars | Content of trans-res (μg/g FW) | ||
|---|---|---|---|---|
| Green | Veraison | Mature | ||
| Vitis quinquangularis | 83-4-96 | – | 0.60 ± 0.08 | 1.57 ± 0.02 |
| Danfeng-2a | – | 0.95 ± 0.09 | 1.16 ± 0.03 | |
| Shang-24 | 0.28 ± 0.06 | 0.32 ± 0.05 | 1.94 ± 0.03 | |
| V. amurensis Rupr. | Tonghua-3 | – | 0.50 ± 0.06 | 2.19 ± 0.06 |
| V. davidii Foex. | Tangwei | – | – | – |
| V. vinifera L. | Muscat Rose | – | 0.28 ± 0.09 | 1.14 ± 0.02 |
| V. vinifera × V. labrusca | Kyoho | – | 0.69 ± 0.04 | 1.09 ± 0.04 |
a
Berry skin color of all accessions was black except for Danfeng-2 which had green skin. –Indicates not detected in sample.