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Table 2 Pearson’s correlation coefficients between in-vivo AOP and in-vitro AOP, TPC, and TFC for individual chicory cultivars regardless of fertiliser treatments

From: In-vitro and in-vivo antioxidant assays of chicory plants (Cichorium intybus L.) as influenced by organic and conventional fertilisers

CorrelantCorrelation coefficient (R2) for in-vivo antioxidant potential according to cultivar
‘Trevisio’‘Verona’‘Anivip’‘Castelfranco’
vs. in-vitro AOP−0.255−0.713− 0.5820.086
P-valuens***ns
vs. TPC−0.022− 0.443−0.5400.033
P-valuensnsnsns
vs. TFC−0.534−0.803− 0.5700.637
P-valuens**ns*
  1. AOP, antioxidant potential, TPC total phenolics content, TFC total flavonoids content
  2. Significances of the correlations: *, P < 0.05; **, P < 0.01; ns, not significant