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. 2020 Feb 18;9(2):169. doi: 10.3390/antiox9020169

Table 3.

Correlation between total phenolic content (TPC) and antioxidant activity (measured by CUPRAC and FRAP assays) of three tamarillo cultivars.

Content TPC CUPRAC FRAP
TPC Pearson’s Correlation 1 0.941 ** 0.906 **
Sig. (2-tailed) 0.000 0.000
Number 24 24 24
CUPRAC Pearson’s Correlation 0.941 ** 1 0.959 **
Sig. (2-tailed) 0.000 .000
Number 24 24 24
FRAP Pearson’s Correlation 0.906 ** 0.959 ** 1
Sig. (2-tailed) 0.000 0.000
Number 24 24 24

** Correlation is significant at the 0.01 level (2-tailed).