Evaluating the Polyphenol Profile in Three Segregating Grape (Vitis vinifera L.) Populations
Table 2
Mean values of the flavonol profile and total flavonol content (mg/g fresh skin) in Monastrell, Syrah, and Cabernet Sauvignon grapes and their hybrids ().
% monohydr.
% dihydr.
% trihydrox.
Total
Monastrell
Mean
10.9
70.7
18.4
0.56
Syrah
Mean
13.4
44.2
42.4
0.73
CS.
Mean
14.7
44.6
40.7
0.19
Barbera
Mean
4.3
53.3
42.4
0.49
Red hybrids
Mon. × Sy.
Mean
10.4
52.4
37.2
0.73
Minimum
5.3
36.3
16.5
0.18
Maximum
16.0
72.6
55.0
1.83
Mon. × CS.
Mean
11.3
51.1
37.6
0.37
Minimum
5.0
35.2
20.3
0.11
Maximum
20.9
65.0
58.3
0.78
Mon. × Bar.
Mean
9.4
61.9
28.7
0.42
Minimum
4.7
42.9
8.7
0.12
Maximum
13.6
83.9
43.4
1.39
White hybrids
Mon. × Sy.
Mean
13.4
84.1
2.4
0.35
Minimum
4.1
74.6
0.6
0.08
Maximum
23.7
94.7
7.2
1.28
Mon. × CS.
Mean
20.0
74.8
5.1
0.08
Minimum
16.8
68.9
0.9
0.02
Maximum
25.9
78.4
12.7
0.18
% monohydrox.: percentage of monohydroxylated flavonols, % dihydrox: percentage of dihydroxylated flavonols, % trihydrox.: percentage of trihydroxylated flavonols, Total: total flavonol content (mg per g of skin).
