Journal of Food Bioactives, ISSN 2637-8752 print, 2637-8779 online |
Journal website www.isnff-jfb.com |
Original Research
Volume 9, March 2020, pages 70-78
Physicochemical characteristics, phenolic profile, and antioxidant capacity of Syrah tropical wines: effects of vineyard management practices
Figure
Tables
Parameter | Training systems1 | Rootstock2 | |||||
---|---|---|---|---|---|---|---|
Paulsen 1103 | IAC-766 | IAC-572 | Paulsen 1103 | IAC-766 | IAC-572 | ||
June, 2014 (Harvest I) | December, 2014 (Harvest II) | ||||||
1Results followed by the same uppercase letter in the column (training system) do not differ significantly, according to Tukey’s Test (p ≤ 0.05). 2 Results followed by the same lowercase letter in the row (rootstock) do not differ significantly, according to Tukey’s test (p ≤ 0.05). ND: Not detected; GAE: gallic acid equivalent; MGE: malvidin-3-O-glucoside equivalent; TE: trolox equivalent; Lyre: divided trellis system; VSP: vertical shoot positioning, sparlier system. IC: Intensity of color. | |||||||
pH | Lyre | 3.77 Ac | 3.93 Aa | 3.85 Ab | 3.83 Aa | 3.79 Ab | 3.80 Aa |
VSP | 3.79 Ab | 3.96 Aa | 3.94 Aa | 3.83 Aa | 3.70 Bb | 3.90 Aa | |
Total acidity (g L−1) | Lyre | 5.90 Aa | 5.30 Ab | 5.55 Ab | 4.40 Ab | 4.40 Ab | 4.63 Aa |
VSP | 6.55 Aa | 5.45 Ab | 5.20 Ab | 4.03 Ab | 4.10 Aa | 4.10 Aa | |
Alcohol (% v/v) | Lyre | 10.89 Ab | 11.02 Aa | 10.79 Bc | 12.29 Aa | 12.24 Aa | 12.55 Aa |
VSP | 10.5 Bb | 11.14 Aa | 11.01 Aa | 13.40 Aa | 12.11 Ab | 13.29 Aa | |
Dry extract (g L−1) | Lyre | 26.90 Ac | 28.60 Bb | 29.50 Aa | 27.60 Ab | 30.29 Aa | 26.83 Ab |
VSP | 27.30 Ac | 30.75 Aa | 29.65 Ab | 28.36 Aa | 24.70 Bb | 29.30 Aa | |
Free SO2 (mg L−1) | Lyre | 30.55 Aa | 30.72 Aa | 30.38 Aa | 45.91 Ab | 49.66 Aa | 42.32 Ab |
VSP | 26.28 Bb | 30.21 Aa | 25.77 Bb | 39.70 Bc | 50.00 Aa | 46.50 Ab | |
Total SO2 (mg L−1) | Lyre | 108.88 Ac | 154.62 Aa | 13.00 Bb | 68.4 Bb | 77.6 Aa | 70.3 Bb |
VSP | 91.39 Bc | 106.49 Bb | 153.77 Aa | 78.0 Aa | 73.5 Ab | 75.4 Aa | |
Volatile acidity (g L−1) | Lyre | 0.62 Aa | 0.59 Aa | 0.62 Aa | 0.98 Aa | 0.99 Aa | 0.55 Ab |
VSP | 0.63 Aa | 0.62 Aa | 0.48 Bb | 0.41 Bb | 0.72 Aa | 0.39 Bb | |
Reduced sugars (g L−1) | Lyre | 3.33 Aa | 2.27 Ac | 2.64 Bb | ND | 1.33 Aa | 1.39 Aa |
VSP | 3.35 Aa | ND | 2.79 Ab | ND | ND | 1.66 Aa | |
Total phenolics (mg GAE L−1) | Lyre | 1,900 Ab | 2,290 Aa | 1,880 Ab | 2,270 Ab | 2,500 Aa | 2,040 Ab |
VSP | 1,780 Aa | 1,520 Ab | 1,500 Bb | 2,180 Aa | 1,680 Bb | 2,400 Aa | |
Monomeric anthocyanins (mg MGE L−1) | Lyre | 169.07 Ab | 183.06 Aa | 178.67 Ab | 166.99 Ab | 191.20 Aa | 185.77 Ab |
VSP | 143.40 Bb | 253.61 Aa | 203.10 Ac | 162.41 Aa | 177.84 Aa | 162.41 Aa | |
IC (420nm+520nm+620nm) | Lyre | 6.91 Ab | 6.24 Bc | 7.64 Aa | 4.33 Bc | 5.09 Bb | 9.17 Aa |
VSP | 7.04 Ac | 9.75 Aa | 8.03 Ab | 6.58 Ac | 9.47 Aa | 8.83 Bb | |
DPPH (µmol TE mL−1) | Lyre | 9.23 Aa | 8.25 Bb | 9.24 Aa | 8.33 Aa | 7.60 Bc | 7.97 Ab |
VSP | 8.95 Aa | 9.23 Aa | 9.42 Aa | 7.97 Ab | 9.54 Aa | 9.26 Aa |
Phenolic compounds (mg L−1) | Training system 1 | Rootstock2 | |||||
---|---|---|---|---|---|---|---|
Paulsen 1103 | IAC-766 | IAC-572 | Paulsen 1103 | IAC-766 | IAC-572 | ||
June, 2014 (Harvest I) | December, 2014 (Harvest II) | ||||||
1Results followed by the same uppercase letter in the column (training system) do not differ significantly, according to Tukey’s Test (p ≤ 0.05). 2 Results followed by the same lowercase letter in the row (rootstock) do not differ significantly, according to Tukey’s test (p ≤ 0.05). ND: Not detected; NS: not significant; Lyre: divided trellis system; VSP: vertical shoot positioning, sparlier system. | |||||||
(+)-Catechin | VSP | 16.30 Ac | 27.00 Aa | 22.70 Ab | 7.30 Ab | 9.40 Aa | 6.25 Bc |
Lyre | 13.86 Ab | 16.73 Ab | 17.40 Aa | 6.90 Ab | 5.30 Bc | 8.20 Aa | |
(−)-Epicatechin | VSP | 7.50 Ab | 10.33 Aa | 7.00 Ac | 3.40 Ab | 4.85 Ab | 6.25 Aa |
Lyre | 6.00 Bc | 6.16 Ab | 6.90 Aa | 3.23 Bb | 5.30 Bc | 8.20 Aa | |
(−)-Epicatechin Gallate | VSP | 1.40 Ab | 2.30 Aa | 1.43 Ab | 0.90 Ac | 1.30 Aa | 1.10 Ab |
Lyre | 1.40 Aa | 1.36 Ab | 1.43 Aa | 1.16 Aa | 1.23 Aa | 1.10 Aa | |
(−)-Epigallocatechin | VSP | 3.83 Aa | 3.36 Aa | 2.83 Ab | 2.35 Ab | 4.80 Aa | 2.35 Ab |
Lyre | 3.30 Aa | 2.60 Bc | 2.83 Ab | 2.73 Aa | 2.53 Bb | 2.45 Ab | |
Procyanidin A2 | VSP | 1.10 Ab | 1.40 Aa | 1.00 Bc | 0.60 Ab | 0.90 Aa | 0.80 Aa |
Lyre | 1.00 Bb | 0.90 Bc | 1.10 Aa | 0.60 Aa | 0.50 Bb | 0.60 Aa | |
Procyanidin B1 | VSP | 13.50 Ab | 14.96 Aa | 11.13 Ac | 7.52 Aa | 6.00 Ac | 7.15 Bb |
Lyre | 13.93 Aa | 9.13 Bc | 10.63 Bb | 7.10 Bb | 5.50 Bc | 7.30 Aa | |
Procyanidin B2 | VSP | 8.53 Ac | 14.00 Aa | 10.03 Ab | 5.55 Ab | 10.25 Aa | 7.15 Bb |
Lyre | 6.50 Bc | 9.80 Aa | 9.03 Bb | 5.06 Ab | 3.83 Bc | 7.30 Aa | |
Ʃ Flavan-3-ols | VSP | 52.16 Ac | 73.26 Aa | 56.13 Ab | 27.62 Ab | 37.50 Aa | 24.20 Bc |
Lyre | 46.00 Bc | 46.70 Bb | 49.33 Aa | 26.78 Ab | 24.19 Ab | 35.15 Aa | |
Kaempferol-3-O-glucoside | VSP | 0.66 Ab | 1.20 Aa | 0.56 Ab | 5.70 Bb | 6.35 Aa | 6.10 Ab |
Lyre | 0.66 Aa | 0.46 Ab | 0.43 Ab | 6.36 Ab | 5.70 Bc | 7.15 Aa | |
Isorhamnetin-3-O-glucoside | VSP | 9.06 Ab | 13.53 Aa | 8.66 Ac | 11.95 Bb | 11.70 Bc | 17.35 Aa |
Lyre | 8.06 Bb | 8.10 Bb | 8.53 Aa | 22.83 Ab | 19.50 Ab | 26.45 Aa | |
Rutin | VSP | 0.90 Ac | 1.30 Aa | 1.00 Ab | 0.45 Bb | 0.50 Bb | 1.30 Aa |
Lyre | 0.90 Aa | 0.90 Aa | 0.83 Ab | 1.40 Ab | 1.40 Ab | 1.75 Aa | |
Quercetin | VSP | 0.20 NS | 0.20 NS | 0.20 NS | 0.30 Bc | 0.70 Aa | 0.40 Bb |
Lyre | 0.20 NS | 0.20 NS | 0.20 NS | 0.60 Ab | 0.60 Bb | 0.90 Aa | |
Myricetin | VSP | 0.86 Ab | 1.33 Aa | 0.96 Ab | 0.60 Ab | 1.15 Aa | 0.60 Bb |
Lyre | 0.76 Ac | 1.10 Ab | 1.00 Aa | 1.00 Aa | 0.70 Bb | 1.25 Aa | |
Isoquercetin | VSP | 13.50 Ac | 18.33 Aa | 14.0 Ab | 15.90 Bb | 9.35 Bc | 29.45 Aa |
Lyre | 12.90 Aa | 12.80 Ab | 12.26 Ab | 30.75 Ab | 29.16 Ab | 41.25 Aa | |
Ʃ Flavonols | VSP | 25.20 Ab | 35.90 Aa | 25.40 Ab | 34.90 Bb | 29.75 Bc | 55.20 Aa |
Lyre | 23.50 Ab | 24.00 Aa | 23.25 Ab | 62.96 Ab | 57. 06 Ac | 78.75 Aa | |
Trans-resveratrol (Stilbene) | VSP | 0.20 NS | 0.20 NS | 0.20 NS | 0.50 NS | 0.50 NS | 0.50 NS |
Lyre | 0.20 NS | 0.20 NS | 0.20 NS | 0.46 NS | 0.46 NS | 0.50 NS | |
Gallic acid | VSP | 13.83 Ac | 20.73 Aa | 14.56 Ab | 16.85 Ab | 22.30 Aa | 12.20 Bc |
Lyre | 13.16 Aa | 12.00 Bb | 13.03 Ab | 16.16 Aa | 10.50 Bc | 15.25 Ab | |
Caffeic acid | VSP | 7.00 Bc | 20.76 Aa | 8.40 Bb | 12.20 Ab | 20.40 Aa | 10.90 Bc |
Lyre | 15.60 Aa | 12.46 Bb | 8.96 Ac | 10.36 Bb | 9.80 Bc | 13.80 Aa | |
Chlorogenic acid | VSP | 5.20 Aa | 0.93 Bc | 4.30 Bb | 0.40 NS | 0.40 NS | ND |
Lyre | 2.30 Bc | 2.90 Ab | 5.13 Aa | 0.40 NS | 0.40 NS | ND | |
Syringic acid | VSP | 3.63 Ab | 4.56 Aa | 2.90 Ac | 1.30 Ab | 1.50 Aa | 1.10 Bc |
Lyre | 3.23 Ab | 3.06 Bb | 4.20 Aa | 1.20 Bb | 0.93 Bc | 1.50 Aa | |
Ferulic acid | VSP | 0.30 Ab | 0.56 Aa | 0.33 Ab | 0.95 Ac | 1.20 Aa | 1.05 Ab |
Lyre | 0.43 Aa | 0.36 Aa | 0.36 Aa | 0.96 Ab | 0.80 Bc | 1.10 Aa | |
Ʃ Phenolic acids | VSP | 29.96 Ab | 47.56 Aa | 30.50 Ab | 31.70 Ab | 45.80 Aa | 25.25 Bc |
Lyre | 34.73 Aa | 30.80 Bb | 31.70 Aa | 29.10 Bb | 22.43 Bc | 31.65 Aa | |
Malvidin 3-O-glucoside | VSP | 63.30 Ac | 105.13 Aa | 86.16 Ab | 55.05 Bc | 83.20 Aa | 63.95 Bb |
Lyre | 53.53 Bc | 84.50 Aa | 73.10 Ab | 60.83 Ab | 52.90 Bc | 70.20 Aa | |
Delphinidin 3-O-glucoside | VSP | 1.10 Ac | 1.80 Aa | 1.50 Ab | 1.60 Ab | 1.50 Ac | 2.95 Aa |
Lyre | 0.90 Bc | 1.10 Bb | 1.43 Aa | 1.80 Bb | 1.10 Bc | 2.05 Aa | |
Peonidin 3-O-glucoside | VSP | 1.90 Ac | 2.53 Aa | 2.03 Ab | 2.85 Bb | 1.90 Bc | 4.05 Aa |
Lyre | 1.63 Bc | 1.80 Bb | 1.90 Aa | 3.20 Aa | 2.00 Ac | 3.10 Bb | |
Pelargonidin 3-O-glucoside | VSP | 4.86 Ac | 9.03 Aa | 7.33 Ab | 6.40 Bc | 7.15 Ab | 9.65 Aa |
Lyre | 4.20 Bc | 5.93 Ab | 6.76 Aa | 6.76 Ab | 4.93 Bc | 8.20 Aa | |
Petunidin 3-O-glucoside | VSP | 0.50 Ab | 0.60 Aa | 0.50 Ab | 0.60 Aa | 0.55 Aa | 0.60 Aa |
Lyre | 0.66 Aa | 0.50 Bb | 0.43 Ab | 0.60 Aa | 0.50 Bb | 0.60 Aa | |
Ʃ Anthocyanins | VSP | 71.66 Ac | 119.10 Aa | 47.53 Ab | 66.45 Bc | 94.35 Aa | 81.20 Bb |
Lyre | 60.93 Bc | 93.83 Aa | 83.63 Bb | 73.20 Ab | 61.43 Ab | 84.15 Aa |