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Brilliant blue FCF is an approved food colorant and pharmacologically inactive substance for drug formulations in the EU and the United States. It is also legal in other countries. In a 1979 clinical trial of patients with perennial asthma, brilliant blue FCF, tested alongside two other non- azobenzene dyes ( Erythrosine & Indigotin ), was ...
Fast Green FCF, also called Food green 3, FD&C Green No. 3, Green 1724, Solid Green FCF, and C.I. 42053, is a turquoise triarylmethane food dye. Its E number is E143. Fast Green FCF is recommended as a replacement of Light Green SF yellowish in Masson's trichrome , as its color is more brilliant and less likely to fade.
Allura Red AC, also known as FD&C Red 40 or E 129, is a red azo dye commonly used in food. It was developed in 1971 by the Allied Chemical Corporation, who gave the substance its name. [1][2] It is usually supplied as its red sodium salt but can also be used as the calcium and potassium salts. These salts are soluble in water.
Tartrazine is listed as a permitted food coloring in Canada. [27] The majority of pre-packaged foods are required to list all ingredients, including all food additives such as color; however section B.01.010 (3)(b) of the Regulations provide food manufacturers with the choice of declaring added color(s) by either their common name or simply as ...
Phycocyanin. Phycocyanin is a pigment -protein complex from the light-harvesting phycobiliprotein family, along with allophycocyanin and phycoerythrin. [1] It is an accessory pigment to chlorophyll. All phycobiliproteins are water-soluble, so they cannot exist within the membrane like carotenoids can. Instead, phycobiliproteins aggregate to ...
Erythrosine, also known as Red No. 3, is an organoiodine compound, specifically a derivative of fluorone. It is a pink dye which is primarily used for food coloring. [2] It is the disodium salt of 2,4,5,7-tetraiodo fluorescein. Its maximum absorbance is at 530 nm [3] in an aqueous solution, and it is subject to photodegradation.
Food coloring. A variety of food colorings, added to beakers of water. Food coloring, color additive or colorant is any dye, pigment, or substance that imparts color when it is added to food or beverages. Colorants can be supplied as liquids, powders, gels, or pastes. Food coloring is commonly used in commercial products and in domestic cooking.
Bradford protein assay. The Bradford protein assay (also known as the Coomassie protein assay) was developed by Marion M. Bradford in 1976. [1] It is a quick and accurate [2] spectroscopic analytical procedure used to measure the concentration of protein in a solution. The reaction is dependent on the amino acid composition of the measured ...