Carthamine

Carthamine is a natural red dye derived from the safflower plant (Carthamus tinctorius). It has been used historically in textile dyeing and as a food coloring agent. Carthamine is known for its vibrant red hue and has been utilized in various cultures for centuries.

History

The use of carthamine dates back to ancient civilizations, including the Egyptians, who used it to dye textiles and for cosmetics. In Japan, carthamine was known as beni and was used in traditional kimono dyeing.

Chemical Properties

Carthamine is a flavonoid compound, specifically a type of chalcone. It is soluble in water and exhibits a bright red color. The chemical structure of carthamine allows it to bind effectively to fibers, making it a valuable dye for textiles.

Extraction and Production

Carthamine is extracted from the petals of the safflower plant. The process involves drying the petals and then treating them with an alkaline solution to extract the dye. The resulting solution is then acidified to precipitate the carthamine, which can be purified and used as a dye.

Uses

Textile Dyeing

Carthamine has been traditionally used to dye silk, cotton, and other natural fibers. The dye produces a range of red shades, depending on the concentration and the mordant used.

Food Coloring

In addition to its use in textiles, carthamine has been used as a natural food coloring. It is often used in confectionery, beverages, and other food products to impart a red color.

Cosmetics

Carthamine has also been used in cosmetics, particularly in lipsticks and blushes, due to its vibrant color and natural origin.

Related Pages

• Safflower
• Textile dyeing
• Food coloring
• Flavonoid
• Chalcone
• Mordant