Fig. 4From: An overview on the role of dietary phenolics for the treatment of cancersKey structural motifs responsible for anticancer activity Studies on the structure-activity-relationship (SAR) of phenolic compounds have identified the aromatic ring (represented with an arrow), number and position of free hydroxyl groups (represented with a circle) and unsaturated fatty acid chain as key structural motifs required for exhibiting anticancer activity (represented with square)Back to article page