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Table 5.

Optical densities of wines and ANOVA – Tukey Test HSD, p < 0.05.

Wine samples (buffered (pH=3.6) *Spectrophotometric analyses of colour (10 mm cuvette)
Abs. 420 Abs. 520 Abs. 620
nm, AU nm, AU nm, AU
Sauvignon blanc
SB_tank 0.6722a 0.1508a 0.0310a
SB_bottle 0.7977b 0.4138d 0.0863b
SB_UVlight 0.8438c 0.3113b 0.0837b
SB_dark 0.8400c 0.3405c 0.0872b
CH_tank 0.8162a 0.2147a 0.0647a
CH_bottle 0.8167a 0.3355d 0.1088c
CH_UVlight 0.8700b 0.3100c 0.0905b
CH_dark 0.8665b 0.2665b 0.0892b

results expressed as absorbance units.

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