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Table 5 Correlation analysis among the antioxidant, phenolics and carotenoids

From: Comparative studies on phenolic profiles, antioxidant capacities and carotenoid contents of red goji berry (Lycium barbarum) and black goji berry (Lycium ruthenicum)

  TPC TFC FRAP DPPH ABTS MAC CTC TCC
TPC
 Correlation coefficient 1.000 .643a .857b .786b .643a .714a .500 −.500
 Sig. (2-tailed) .026 .003 .006 .026 .013 .083 .083
 N 8 8 8 8 8 8 8 8
TFC
 Correlation coefficient .643a 1.000 .786b .857b .714a .786b .571a −.571a
 Sig. (2-tailed) .026 .006 .003 .013 .006 .048 .048
 N 8 8 8 8 8 8 8 8
FRAP
 Correlation coefficient .857b .786b 1.000 .643a .786b .857b .643a −.357
 Sig. (2-tailed) .003 .006 .026 .006 .003 .026 .216
 N 8 8 8 8 8 8 8 8
DPPH
 Correlation coefficient .786b .857b .643a 1.000 .571a .643a .429 −.714a
 Sig. (2-tailed) .006 .003 .026 .048 .026 .138 .013
 N 8 8 8 8 8 8 8 8
ABTS
 Correlation coefficient .643a .714a .786b .571a 1.000 .786b .714a −.286
 Sig. (2-tailed) .026 .013 .006 .048 .006 .013 .322
 N 8 8 8 8 8 8 8 8
MAC
 Correlation coefficient .714a .786b .857b .643a .786b 1.000 .786b −.500
 Sig. (2-tailed) .013 .006 .003 .026 .006 .006 .083
 N 8 8 8 8 8 8 8 8
CTC
 Correlation coefficient .500 .571a .643a .429 .714a .786b 1.000 −.429
 Sig. (2-tailed) .083 .048 .026 .138 .013 .006 .138
 N 8 8 8 8 8 8 8 8
TCC
 Correlation coefficient −.500 −.571a −.357 −.714a −.286 −500 −.429 1.000
 Sig. (2-tailed) .083 .048 .216 .013 .322 .083 .138
 N 8 8 8 8 8 8 8 8
  1. aCorrelation is significant at the .05 level (2-tailed)
  2. bCorrelation is significant at the .01 level (2-tailed)