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
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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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