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Table 1 Synergistic effects of C-3 + catechin, C-3 + quercetin, C-3 + kaempferide and C-3 + isorhamnetin on MTS antioxidant activity

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

Combinations

Ratios

Test on growth inhibition

O

E

γ

C-3 + Catechin

5:1

0.746 ± 0.019

0.783 ± 0.008

0.954

3:1

1.043 ± 0.010

0.954 ± 0.009

1.094

1:1

1.701 ± 0.015*

1.467 ± 0.019

1.159

1:3

2.118 ± 0.013

1.981 ± 0.012

1.069

1:5

2.131 ± 0.016

2.152 ± 0.013

0.990

C-3 + Quercetin

5:1

1.320 ± 0.017

1.367 ± 0.017

0.966

3:1

1.459 ± 0.083

1.323 ± 0.013

1.102

1:1

1.321 ± 0.010

1.127 ± 0.013

1.172

1:3

0.942 ± 0.012*

0.931 ± 0.017

1.012

1:5

0.854 ± 0.017

0.865 ± 0.010

0.987

C-3 + Kaempferide

5:1

1.350 ± 0.006*

1.367 ± 0.008

0.987

3:1

1.379 ± 0.087

1.375 ± 0.055

1.003

1:1

1.030 ± 0.018

1.048 ± 0.020

0.983

1:3

0.716 ± 0.013

0.721 ± 0.015

0.994

1:5

0.608 ± 0.013

0.612 ± 0.013

0.995

C-3 + Isorhamnetin

5:1

2.134 ± 0.018*

1.367 ± 0.009

1.561

3:1

1.704 ± 0.020*

1.242 ± 0.021

1.372

1:1

2.093 ± 0.017*

1.290 ± 0.012

1.622

1:3

1.693 ± 0.015*

1.338 ± 0.014

1.265

1:5

1.528 ± 0.013*

1.354 ± 0.016

1.128

  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
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BMC Complementary Medicine and Therapies

ISSN: 2662-7671

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