Table 9 Glycosylated aromatic composition of grapes (μg/100 berries) at harvest: Benzenoids

Benzaldehyde

4.05

0.34

b

4.85

0.10

b

11.05

0.88

a

Methyl salicylate

4.70

0.28

b

5.80

0.08

b

15.35

1.26

a

Benzyl alcohol

173.25

4.46

b

253.60

22.54

b

666.40

36.37

a

2-Phenylethanol

137.10

0.40

b

195.75

2.58

a

207.10

17.62

a

Eugenol

5.10

0.16

b

8.40

0.17

b

23.35

1.55

a

Vanillin

1.30

0.06

b

1.90

0.01

b

3.45

0.21

a

Methyl vanillate

5.05

0.48

b

1.25

0.05

c

8.40

0.46

a

4-vinil guaiacol

1.25

0.09

b

1.65

0.04

b

3.70

0.37

a

Acetovanillone

12.80

1.07

b

13.40

1.27

b

26.60

0.31

a

Zingerone

2.80

0.15

1.65

0.01

2.85

0.31

n.s.

Homovanillic alcohol

64.75

1.78

a

31.75

0.27

b

26.00

1.04

b

Dihydroconiferyl alcohol

0.90

0.01

0.80

0.03

1.35

0.12

n.s.

Methoxyeugenol

0.55

0.04

b

0.60

0.02

b

1.85

0.13

a

Coniferaldehyde

4.00

0.12

b

1.60

0.11

b

8.85

0.22

a

Syringaldeide

-

-

0.50

0.05

b

2.15

0.15

a