The red color in tomatoes is primarily due to the presence of lycopene, a carotenoid pigment. Lycopene is a powerful antioxidant and is responsible for the bright red color of ripe tomatoes.
- Anthocyanine is a pigment responsible for blue, purple, and red colors in some plants, but not tomatoes.
- Curcumein is related to turmeric color.
- Solanin is a toxic alkaloid found in nightshade plants.