Ingredient

Concentration [mg/L]

Caffeic acid

3.344

Coumaric acid

0.931

Ferulic acid

0.477

Gallic acid

29.557

Caffeoyl tartaric acid

67.953

Cumaryl tartaric acid

14.003

Ferulitartaric acid

8.791

Quercetin-3-O-glucoside

6.033

Quercetin-3-O-galattoside

1.979

Quercetin-3-O-glucuronide

15.240

Quercetin-3-O-rutinoside

<0.050

Isorhamnetin

0.153

Kaempferol

0.067

Myricetin

0.086

Quercetin

10.933

trans-Resveratrol

24.202

(−) Epicatechin

28.120

(+) Catechin

92.035

Procyanidin B1

42.673

Procyanidin B2

33.947