Citrus phenylpropanoids and defence against pathogens. Part I: Metabolic profiling in elicited fruits

► Phenylpropanoid metabolic profiling in the peel of elicited citrus fruits has been conducted. ► Scoparone and two new phenolic compounds, citrusnin A and drupanin aldehyde, are involved in induced resistance. ► Fluorescent phenolic compounds showed the largest changes in elicited fruits. ► HPLC analysis revealed tissue-specific changes in some phenolics, such as chlorogenic acid, isorhoifolin and hesperedin.