Echantillons E(V) I(µA) Kasserine -0.52 -0.033 0.91 0.015 -0.022 0.034 Sidibouzid 0.17 1.33 -0.064 0.018 Ben Guerdene 0.28 -0.045 Wed Ellil 1.24 1.18 -0.0064 0.001 Mahdia 0.21 1.07 2.17 0.0084 -0.073 -0.051 Seliana 1.08 2.24 0.056 0.034

Table 2: DPV voltammograms parameters associated to the polyphenolic content on the oils.