Open Access

Table 2

Color parameters of Pinot noir wines.

Control GMP100 GMP50 GMP25
Degree of ionization of ANC* (%) 0.14 ± 0.00 a 0.14 ± 0.01 a 0.12 ± 0.01 a 0.12 ± 0.00 a
Total ANC (mg/L) 266 ± 4.3 a 216 ± 17.3 b 138 ± 1.4 c 101 ± 1.9 d
Colour density (AU) 5.11 ± 0.12 a 11.80 ± 0.27 b 6.06 ± 0.17 c 3.63 ± 0.18 d
Colour density SO2 corrected (AU) 5.57 ± 0.01 a 11.70 ± 0.11 b 5.99 ± 0.11 c 3.52 ± 0.12 d
Hue 0.71 ± 0.01 a 1.03 ± 0.03 b 1.02 ± 0.01 b 0.99 ± 0.01 b
SO2-resistant pigments (AU) 1.12 ± 0.03 a 4.31 ± 0.15 b 2.18 ± 0.06 c 1.20 ± 0.02 a

* Anthocyanins, different letters in the same row indicate statistically significant difference.

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