Table 3.
Occurrence and potential value estimation of trans-resveratrol in main grape cultivars from seven major grape production regions.
| Major region | Usage | Main grape cultivarsa | trans-Resveratrol occurrenceb | Areac | Predicted yieldd | Estimated economic outpute |
|---|---|---|---|---|---|---|
| C1 | Table/ raisin | 1, 2, 3, 4, 5, 6, 7. | 774.0BCbc ± 121.8 (589.9–983.9) | 96.2 | 74.5 (56.7–94.7) | 149.0–223.5 |
| C2 | Wine | 74, 75, 80, 81, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 104,105. | 834.1De ± 202.4 (608.9–1452.9) | 48 | 40.0 (29.2–69.7) | 80.0–120.0 |
| Table | 67, 70, 71, 72, 73, 107, 108, 110, 111, 112, 113, 114, 116, 117, 118, 119, 121, 122, 123, 124, 126, 127. | 610.1Aa ± 167.1 (320.6–980.9) | 100.3 | 61.2 (32.2–98.4) | 122.4–183.6 | |
| C3 | Wine | 8, 9, 10, 11, 12, 13, 14, 15, 27, 28, 31, 34, 44, 45, 47. | 937.8CDcd ± 175.7 (763.8–1369.6) | 20 | 18.8 (15.3–27.4) | 37.6–56.4 |
| Table | 16, 17, 49, 50, 51, 52, 53, 57, 58, 59, 61, 64. | 613.3Aa ± 155.4 (396.3–881.9) | 15.9 | 9.8 (6.3–14.0) | 19.6–29.4 | |
| W1 | Wine | 157, 158, 159, 160, 161, 162, 163, 164, 165. | 889.7CDde ± 62.2 (818.7–964.6) | 40 | 35.6 (32.7–38.6) | 71.2–106.8 |
| W2 | Wine§ | 134, 135, 136, 138, 139, 140, 141. | 700.6ABab ± 64.9 (564.6–767.8) | 4.8 | 3.4 (2.7–3.7) | 6.8–10.2 |
| W3 | Wine§ | 145, 146, 147, 148, 150, 151, 152, 154, 155. | 1048.9Ef ± 137.9 (889.8–1285.9) | 19.3 | 20.2 (17.2–24.8) | 40.4–60.6 |
| W4 | Wine§ | 142, 143, 144. | 838.8CDcd ± 30.9 (823.5–850.4) | 10 | 8.4 (8.2–8.5) | 16.8–25.2 |
| Sum.f | 354.5 | 271.9 (200.5–379.8) | 543.8–815.7 |
The lowercases and uppercases mean significant variation at 0.05 and 0.01 level, respectively; and the values in any two groups with different letters indicate significant variation (P < 0.05 or P < 0.01); a The numbers in the following blanks represent the same accession numbers to Tab. 1; b Mean values ± S.D., range values in parenthesis, all values in mg kg−1 of cane FW; c Data of cultivated area of each major region (MOA, 2006), all values in kha; d Mean values ± S.D., range values in parenthesis, all values in ton of trans-resveratrol year−1; e Estimated economic output range values of each major region, all values in US $ million year−1; f Summation, range values in parenthesis; § These cultivars are already used as wine grapes or show a great potential for making wine.