Introduction Hydroxycinnamic acids are among the most commonly occurring antioxidants in dietary plants, and can be found in many foodstuffs including cereals, vegetables, fruits and nuts.1 These phenolic compounds have been previously described for their noticeable bioactivities; not only for their antioxidant,2 but also anti-inflammatory,3 antimicrobial,4 anti-melanogenic5 and chemo-preventive effects.6 Lately the potential benefit of hydroxycinnamic acid derivatives on obesity and lipid...