Sensory profile of vine leaves infusions obtained from Touriga Nacional and Tinta Roriz leaves collected 30 and 60 days after grape harvest.

CH = color hue; CI = color intensity; AI = aroma intensity; AST = astringency; BTSS = bitterness; SWT = sweetness. TN 30 = Touriga Nacional infusion from leaves collected 30 days after grape harvest; TN 60 = Touriga Nacional infusion from leaves collected 60 days after grape harvest; TR 30 = Tinta Roriz infusion from leaves collected 30 days after grape harvest; TR 60 = Tinta Roriz infusion from leaves collected 60 days after grape harvest. (*) indicates the existence of statistical differences (p<0.05) by Ducan Test.