Chalconoid glucosides

Carthamin is a natural red pigment derived from safflower (Carthamus tinctorius), earlier known as carthamine. It is used as a dye and a food coloring. As a food additive, it is known as Natural Red 26.

Marein is a chalconoid, a type of natural phenol. It is the 4'-O-glucoside of okanin. It can be found in Coreopsis maritima. It is an anthochlor pigment, a kind of yellow pigment.