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Table 1 Plasma antioxidants, FRAP and MDA measured before and after kiwifruit intervention (n = 24)

From: Supplementation of a western diet with golden kiwifruits (Actinidia chinensis var.'Hort 16A':) effects on biomarkers of oxidation damage and antioxidant protection

  Fruits Before After Diff Change p
   Mean SEM Mean SEM Mean SEM (%)  
   (μmol/L) (μmol/L) (μmol/L)   
Total ascorbic acid 1 57.11 15.6 59.58 10.9 2.5 19.0 4 0.53
  2 52.83 13.3 60.27 14.3 7.4 19.5 14 0.07
Ascorbic acid, reduced 1 52.79 14.7 55.66 11.2 2.9 18.5 5 0.45
  2 47.97 13 55.43 13.1 7.5 18.5 16 0.05
Lutein, μmol/L 1 0.22 0.1 0.22 0.1 0.0 0.1 0 0.95
  2 0.22 0.1 0.23 0.1 0.0 0.1 5 0.70
β-Cryptoxanthin, μmol/L 1 0.32 0.3 0.31 0.3 0.0 0.4 -3 0.92
  2 0.31 0.3 0.31 0.3 0.0 0.4 0 0.99
α-Carotene, μmol/L 1 0.14 0.1 0.14 0.1 0.0 0.1 0 0.91
  2 0.14 0.1 0.14 0.1 0.0 0.1 0 0.98
β-Carotene, μmol/L 1 0.55 0.3 0.56 0.4 0.0 0.5 2 0.89
  2 0.55 0.3 0.56 0.3 0.0 0.4 2 0.97
Zeaxanthin, μmol/L 1 0.05 0 0.04 0 0.0 0.0 -20 0.91
  2 0.04 0 0.04 0 0.0 0.0 0 0.87
Lycopene, μmol/L 1 0.57 0.1 0.57 0.1 0.0 0.1 0 0.99
  2 0.57 0.2 0.56 0.1 0.0 0.2 -2 0.97
FRAP1, μmol/L 1 1203.17 208 1201.13 228.5 -2.0 309.0 0 0.97
  2 1189.38 243.9 1260.46 164.4 71.1 294.1 6 0.24
MDA2, μmol/L 1 0.88 0.4 0.88 0.3 0.0 0.5 0 0.97
  2 0.89 0.5 0.88 0.5 0.0 0.7 -1 0.53
  1. SEM: standard error of the mean. 1Ferric reducing activity of plasma. 2Malondialdehyde.