| Stage of Cluster Thinning | Total Anthocyanins as Malvidin equivalents mg/L | Phenolics as catechin equivalents mg/L | ||
| 2008 | 2009 | 2008 | 2009 | |
| Control | 356.8 aa | 482.3 ab | 4233 a | 4250 a |
| Inflorescence swelling | 409.8 a | 554.5 b | 6188 b | 5173 cd |
| 80% capfall | 423.9 a | 515.5 ab | 6084 b | 4871 abc |
| Fruitset | 403.3 a | 532.3 ab | 6095 b | 4962 abc |
| Bunch closure | 434.1 a | 503.8 ab | 6038 b | 4840 abc |
| Veraison | 441.1 a | 532.5 ab | 6358 b | 5412 c |
| Veraison + 2 weeks | 417.1 a | 519.3 ab | 5905 b | 4798 abc |
| Veraison + 4 weeks | 395.1 a | 468.8 a | 5520 ab | 4633 ab |
| Veraison + 6 weeks | 431.0 a | 506.0 ab | 5750 ab | 4918 abc |