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Table 3 H2O2 production rate of C-3 + EGb and isorhamnetin + caffeic acid

From: Synergistic effects and related bioactive mechanism of Potentilla fruticosa L. leaves combined with Ginkgo biloba extracts studied with microbial test system (MTS)

H2O2 production Rate (μM/min)

Ratio

O

E

γ

C-3 + EGb

5:1

0.339 ± 0.013*

0.285 ± 0.014

1.192

3:1

0.300 ± 0.019

0.278 ± 0.013

1.080

1:1

0.274 ± 0.014

0.257 ± 0.012

1.068

1:3

0.252 ± 0.013

0.236 ± 0.014

1.067

1:5

0.238 ± 0.013

0.229 ± 0.014

1.041

Isorhamnetin +

Caffeic acid

5:1

0.481 ± 0.001*

0.319 ± 0.003

1.509

3:1

0.490 ± 0.001*

0.321 ± 0.002

1.524

1:1

0.503 ± 0.001*

0.327 ± 0.001

1.536

1:3

0.444 ± 0.003*

0.334 ± 0.001

1.331

1:5

0.399 ± 0.002*

0.336 ± 0.001

1.189

  1. Values are the mean of three replicates ± SD (n = 3)
  2. The asterisk indicates a significant difference between observed value and expected value (p < 0.05). O, observed value; E, expected value; γ, interaction index