Anthocyanins

ORAC
(μmol TE/ μmol Std)1

Relative Capacity2

Cyanidin 3-glucoside

6.36±0.37a

1:1

Cyanidin 3-rutinoside

6.06±0.26a

0.95:1

Delphinidin 3-glucoside

4.05±0.27b

0.64:1

Delphinidin 3-rutinoside

5.03±0.03b

0.79:1

Malvidin 3-glucoside

4.52±0.60b

0.71:1

Petunidin 3-glucoide

5.23±0.78b

0.82:1

Peonidin 3-glucoside

5.92±0.52a

0.93:1

1Values represent mean ± SD (n=3). Different superscripted letters indicate significant differences (p<0.05). Results are expressed as micromole of Trolox equivalent per micromole of standard sample.
2Relative capacity, given cyanidin 3-glucoside = 1.0.
Table 6: ORAC value for pure anthocyanin standards known to be present in blackcurrant and grape.