Food colorings

group of dyes

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.

chemical compound

Genipin is a chemical compound found in Genipa americana fruit extract. It is an aglycone derived from an iridoid glycoside called geniposide which is also present in fruit of Gardenia jasminoides.

Galdieria is a genus of red algae belonging to the order Galdieriales; family Galdieriaceae. It was first described by Italian botanist Aldo Merola in 1981 to differentiate it from species of Cyanidium.

chemical compound

chemical compound

thumb|White wool yarn dyed with "orchella weeds", using traditional Natural dye|plant dye methods. Orcein, also called archil, orchil, lacmus and C.I. Natural Red 28 - CICN 758600, is any dye extracted from several species of lichen, commonly known as "orchella weeds", found in various parts of the world. A major source is the archil lichen, Roccella tinctoria. Orcinol is extracted from such lichens. It is then converted to orcein by ammonia and air. In traditional dye-making methods, urine was used as the ammonia source. If the conversion is carried out in the presence of potassium carbonate,

chemical compound

chemical compound

Desmethoxycurcumin is a curcuminoid found in turmeric. Commercial grade curcumin contains a mixture of curcuminoids (desmethoxycurcumin 10–20%, bisdesmethoxycurcumin 5% or less).

species of plant