Wednesday, 3 June 2015

Artificial Food Colouring


Synthetic or artificial food colour are the food dyes that are manufactured chemically, it also applied in pharmaceutical and cosmetic industries. There are many kinds of synthetic food dyes and a few are shown below.

Sunset Yellow FCF

This synthetic of the coal tar and azo yellow dye is useful in fermented food which must be heat treated. For instance, lemon curd, marzipan, sweets and more. Sunset yellow is a possible carcinogenic compound. It may cause an allergic reaction in people who have aspirin intolerance. A various symptoms will occur such as swelling of the skin which call angioedema, diarrhea, vomiting, gastric upset, and nettle rash. This food dye also link to the hyperactivity among young children [12].

Allura Red AC

Allura Red AC is a red azo dye which appears in dark red powder. It is soluble in water and it has maximum absorbance at 504nm. Allura cause fewer health risks associated with it in comparison to other azo dyes which is quite similar to sunset yellow FCF [12].

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