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. 2012 Nov 23;6:140. doi: 10.1186/1752-153X-6-140

Table 3.

The R values between chemical contents and 1/IC50

  Total phenolics Caffeic acid Ferulic acid Isoferulic acid Total sugars Total saponins
Anti-LPO
 0.99
 0.98
 0.96
 0.95
 −0.69
 −0.001
DNA
 0.61
 0.38
 0.37
 0.40
 −0.11
 −0.35
·OH
 0.57
 0.37
 0.34
 0.47
 0.11
 −0.68
·O2-
 0.36
 0.38
 0.33
 0.53
 −0.53
 0.14
Chelating
 0.17
 0.31
 0.31
 0.21
 −0.88
 0.94
DPPH·
 0.43
 0.39
 0.35
 0.35
 0.46
 −0.92
ABTS·+
 0.57
 0.54
 0.61
 0.49
 0.30
 −0.84
Reducing
 0.82
 0.65
 0.68
 0.68
 −0.26
 −0.39
Average 0.56 0.51 0.50 0.51 −0.20 −0.26

R, correlation coefficient; 1/IC50: the unit is mL/μg, all 1/IC50 values are listed in Additional file 2. LPO, lipid peroxidation.