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. 2022 Feb 28;11(3):484. doi: 10.3390/antiox11030484

Table 4.

Pearson’s correlation for antioxidant activities (TEAC method) versus antioxidant compounds. n (sample size) = 5. Values in bold are significant.

Antioxidants HAA LAA
r p r p
TPC 0.990 <0.001 0.915 0.01
TFC 0.994 <0.0001 0.958 0.002
TCT 0.984 <0.001 0.982 <0.001
AsA 0.703 0.119 0.620 0.190
DHA −0.396 0.437 −0.401 0.431
TP −0.141 0.789 −0.017 0.974
TPT −0.723 0.104 −0.749 0.086
TT −0.500 0.312 −0.555 0.253
TC −0.511 0.300 −0.553 0.255
TCh −0.207 0.694 −0.264 0.613

HAA, hydrophilic antioxidant activity; LAA, lipophilic antioxidant activity; r, Pearson’s correlation coefficient; p, p-value; TPC, total phenolic compounds; TFC, total flavonoid compounds; TCT, total condensed tannins; AsA, ascorbic acid; DHA, dehydroascorbic acid; TP, total phytosterols; TPT, total pentacyclic triterpenes; TT, total tocopherols; TC, total carotenoids; TCh, total chlorophylls.