FD& C Blue No.2 Powder 

FD& C Blue No.2 Powder is known by its common name Indigotine. The precursor to indigo is indican, a colorless, water-soluble derivative of the amino acid tryptophan. Indican readily hydrolyzes to release β-D-glucose and indoxyl. Oxidation by exposure to air converts indoxyl to indigo. Indican was obtained from the processing of the plant's leaves, which contain as much as 0.2–0.8% of this compound. The leaves were soaked in water and fermented in order to convert the glycoside indican present in the plant to the blue dye indigotin. The precipitate from the fermented leaf solution was mixed with a strong base such as lye, pressed into cakes, dried, and powdered. The powder was then mixed with various other substances to produce different shades of blue and purple. This Food grade dye is found in various applications such as foods, beverages, pet foods, drugs and cosmetics.

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Emerald Performance Materials globally manufactures specialty chemicals used in Food and Beverage. This company offers a variety of chemicals that enhance the performance, taste, smell, shelf life, and appearance of food products. Emerald Performance Materials brands include Carmine, MAZU® DF 230SC, Purox® S Grains, etc. These products are applied in jams, vegetable and potato products, juices, etc.

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Emerald Performance Materials

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