Lycopene is a red plant pigment found in tomatoes, guavas,
watermelons, papayas and grapefruits.
Mean while tomatoes being the largest contributor to the dietary intake of humans than others (Chalabi et al., 2004).
Lycopene exhibits higher singlet oxygen (O2) quenching ability.
Due to its strong color and non-toxicity, lycopene is a useful food coloring (registered as E160d).