| Section2 = | Section7 = }} Carthamin 's a natural red pigment derived from safflower (Carthamus tinctorius), earlier known as carthamine. It's used as a dye and a food coloring. As a food additive, it's known as Natural Red 26. Safflower has been cultivated since ancient times, and carthamin was used as a dye in ancient Egypt.. It competed with the early synthetic dye fuchsine as a silk dye after fuchsine's 1859 discovery.… (More on Carthamin)