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Some sodas and other fruit-flavored drinks also contain red dye No.3. When inspecting the label look for “red dye No.3,” “red 3,” “red dye 3,” “erythrosine,” and “FD&C Red No. 3 ...
Red dye No. 3 shows up in a lot of processed foods, Cording says. “Candy is where it’s most commonly seen,” she says. “But it’s also in certain drinks, like oral nutrition supplements ...
Allura Red AC is the coloring additive in this strawberry soft drink Allura Red AC in confectionery. Allura Red has been heavily studied by food safety groups in North America and Europe, and remains in wide use. However, chronic exposure to the dye has been shown to increase susceptibility to bowel disorders in mice. [11]
Para red (paranitraniline red, Pigment Red 1, C.I. 12070) is a dye. Chemically, it is similar to Sudan I. It was discovered in 1880 by von Gallois and Ullrich. It dyes cellulose fabrics a brilliant red color, but is not very fast. The dye can be washed away easily from cellulose fabrics if not dyed correctly. Acidic and basic stages both occur ...
Due to a color change from blue to red at pH 3.0–5.2, Congo red can be used as a pH indicator. Since this color change is an approximate inverse of that of litmus, it can be used with litmus paper in a simple parlor trick: add a drop or two of Congo red to both an acid solution and a base solution. Dipping red litmus paper in the red solution ...
Toluidine red is an organic compound with the formula C 10 H 6 (OH)(N 2 C 6 H 3 (NO 2)CH 3). A dark red solid, the compound is classified as a azo dye consisting of a 2-naphthol group linked to a 2-nitro-4-methylphenyl substituent. [3] Toluidine red is a traditional pigment, found in oil paints. [4]