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Table 4 Interaction analysis in the different assays

From: Evaluation of phytochemicals and antioxidant potential of a new polyherbal formulation TC-16: additive, synergistic or antagonistic?

Antioxidant capacity tests

CI values

Difference (%)

ABTS assay

4.688

-

DPPH assay

3.549

-

BCB assay

0.300

-

FRAP assay

-

-52.63

ORAC assay

-

96.37

  1. CI value equal, smaller or bigger than 1 indicated addition, synergism and antagonism
  2. Positive difference values (%) indicate potential synergistic and negative values antagonistic effects