Table 1: The levels of principal phenolic classes (mg/L) in red and white table wine [15].

Phenol class White wine Red wine Young Aged Young Aged nonflavonoids         hydroxycinnamates 154 130 165 60 benzoic acids 10 15 60 60 hydrolyzable tannins 0 100 0 250 stilbenes (resveratrol) 0.5 0.5 7 7 Total mg/L 164.5 245.5 232 377 flavonoids         flavanol monomers 25 15 200 100 Condensed tannins 20 25 750 1000 flavonols — — 100 100 anthocyanins — — 400 90 Total mg/L 45 40 1450 1285