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Table 4 Influence of C-3 + EGb and isorhamnetin + caffeic acid on CAT, POD, SOD and GSH enzyme activities

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 CAT activity U/mg prot POD activity U/mg prot SOD activity U/mg prot GSH activity U/mg prot
O E γ O E γ O E γ O E γ
C-3 + EGb 5:1 10.578 ± 0.067 10.613 ± 0.085 0.997 84.837 ± 1.901 83.467 ± 0.900 1.016 90.775 ± 1.038 88.600 ± 1.257 1.025 114.376 ± 1.697 113.692 ± 1.529 1.006
3:1 10.465 ± 0.058* 10.936 ± 0.073 0.957 80.115 ± 0.847 79.996 ± 0.755 1.001 98.150 ± 0.051 85.525 ± 1.551 1.148 110.222 ± 1.880 109.027 ± 1.956 1.011
1:1 13.175 ± 0.071* 11.908 ± 0.066 1.106 78.015 ± 0.798 69.581 ± 0.724 1.121 105.125 ± 0.073* 76.325 ± 1.356 1.377 102.312 ± 1.587 95.031 ± 1.365 1.077
1:3 12.883 ± 0.120 12.880 ± 0.090 1.000 59.346 ± 0.736 59.166 ± 0.686 1.003 66.500 ± 1.112 67.125 ± 1.193 0.991 82.964 ± 1.373 81.036 ± 1.703 1.024
1:5 13.315 ± 0.083 13.204 ± 0.068 1.008 57.514 ± 0.681 55.695 ± 0.949 1.033 67.800 ± 0.178 64.050 ± 1.138 1.058 78.2775 ± 1.541 76.371 ± 1.143 1.025
Isorhamneti + Caffeic acid 5:1 9.297 ± 0.054 8.878 ± 0.079 1.047 77.455 ± 0.618 72.404 ± 0.610 1.070 107.130 ± 1.690 109.134 ± 1.772 0.982 102.798 ± 1.105 99.666 ± 0.776 1.032
3:1 8.445 ± 0.078 8.520 ± 0.069 0.991 85.398 ± 0.759 83.218 ± 0.675 1.026 107.418 ± 1.438 103.410 ± 1.858 1.039 96.300 ± 1.230 95.760 ± 0.549 1.006
1:1 10.699 ± 0.101* 7.445 ± 0.066 1.437 119.896 ± 0.538 115.659 ± 0.871 1.037 125.970 ± 1.681* 86.244 ± 1.112 1.461 82.170 ± 0.776 84.078 ± 1.074 0.977
1:3 6.729 ± 0.067 6.371 ± 0.082 1.056 164.424 ± 0.620 148.100 ± 0.670 1.110 71.928 ± 1.925 69.078 ± 1.368 1.041 74.412 ± 0.680 72.396 ± 1.187 1.028
1:5 6.729 ± 0.064 6.013 ± 0.063 1.119 160.563 ± 0.386 158.913 ± 0.322 1.010 62.376 ± 1.673 63.360 ± 1.453 0.985 69.966 ± 0.845 68.490 ± 1.192 1.021
  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