Changes in Phenolics and Fatty Acids Composition and Related Gene Expression during the Development from Seed to Leaves of Three Cultivated Cardoon Genotypes.

For leaves, the correlation coefficients between phenolic contents and TEAC values were mildly significant ( r 2 = 0.98, 0.83 and 0.70, respectively for DPPH, ABTS and FRAP), with the genotype “Bianco Avorio” showing the highest antioxidant activity especially as ABTS radical scavenger. 4.

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Moreover, the correlation coefficient between phenolic contents and TEAC was highly significant especially in the case of ABTS and FRAP ( r 2 = 0.82 and 0.94, respectively), indicating that polyphenolics may play an important role in free radical cations scavenging and ferric reducing antioxidant power.

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