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. 2018 Mar 1;2018:4384012. doi: 10.1155/2018/4384012

Table 3.

Phenolic composition and in vitro antioxidant activity of the Bordo grape juice and wine.

Parameter Bordo juice Bordo wine
Total polyphenol index (µmol GAE/100 mL) 184.2 ± 13.1b 371.3 ± 9.6a
Total anthocyanins (µmol malvidin-3-glucoside/100 mL) 17.5 ± 22.5b 66.74 ± 10.2a
Total flavonols (µmol catechin/100 mL) 84.5 ± 9.7b 93.6 ± 4.6a
Total antioxidant activity
  ABTS (µmol TEAC/100 mL) 316.5 ± 14.6b 448.7 ± 12.1a
  FRAP (µmol TEAC/100 mL) 234.6 ± 9.5a 234.9 ± 7.1a

Values are means ± SEM of determinations in triplicate. a,bDifferent superscript letters denote significant differences (Tukey's test, p < 0.05). GAE = gallic acid equivalent; TEAC = Trolox equivalent antioxidant capacity.