Phenolics And Colour

Test Description Method Sensory threshold Levels in wine Comment Unit
Absorbance 320nm Spectrophotometry au
Absorbance 420nm Spectrophotometry au
Absorbance 500nm Spectrophotometry au
Absorbance 520nm Spectrophotometry au
Absorbance 620nm Spectrophotometry au
OD280nm Spectrophotometry au
Total polyphenols Folin-Ciocalteu mg/L
Total anthocyanins Glories mg/L
% polymerised anthocyanins Glories %
Total tannins Glories mg/L
PANEL: Red wine phenolics Total tannins; Total anthocyanins; Polymerised anthocyanins; OD280nm; 420nm; 520nm; 620nm
White wine phenolics
Total phenols Spectrophotometry au
Total hydroxycinnamates Spectrophotometry au
Total flavonoids Spectrophotometry au