Table 5. Effect of vineyard sites of soil on total phenolics, flavonoid, and antioxidant properties during winter and summer cropping cycle.
Total phenolics (mg/100 gFW) | Flavonoid (mg/100 gFW) | Antioxidant (mMTE/gFW) | |
---|---|---|---|
Sites | Winter | Winter | Winter |
Lower | 499.80 ± 15.94b | 1295.00 ± 42.62b | 9.92 ± 0.55b |
Middle | 652.13 ± 11.93a | 1888.00 ± 111.07a | 14.45 ± 0.31a |
Upper | 605.93 ± 33.54a | 1660.70 ± 75.32a | 12.60 ± 0.59a |
Sig | * | * | * |
Summer | Summer | Summer | |
Lower | 431.27 ± 14.59c | 1131.30 ± 14.59c | 9.06 ± 0.44b |
Middle | 607.27 ± 13.81a | 1636.00 ± 23.96a | 13.03 ± 0.72a |
Upper | 513.60 ± 14.84b | 1521.90 ± 14.32b | 11.88 ± 0.35a |
Sig | * | * | * |
Season | |||
Winter | 585.96 ± 25.07a | 1614.60 ± 95.45a | 12.32 ± 0.70a |
Summer | 517.38 ± 26.14b | 1429.70 ± 76.94b | 11.33 ± 0.64b |
Sig | * | * | * |
Notes:
Mean (±SE) with different letters are significantly different within sites and season (mean separation by Tukey’s HSD test at p < 0.05).
Indicates significance at p = 0.05.