Food coloring, both in packaged food and that served in restaurants, serves several purposes. Color makes food more attractive and appealing. It functions as a marker to identify certain foods, drinks and candies, such as lollipops and popsicles. Though rare, food coloring can cause adverse allergic reactions in both children and adults, especially those allergic to aspirin.
Types
Food colorants include FD&C Yellow No.5 (tartrazine), carmine, annatto, Yellow No. 6 (Sunset Yellow), Red No. 2 (amaranth) and Blue Dye No.1 (brilliant blue FCF). Food coloring can be either natural or synthetic.
Significance
Certifiable color additives are available for use in food in two forms, "dyes" which dissolve in water or "lakes," a water-soluble formula of the dye. Red Dye No.2 is the most widely recognized.
Identification
Due to U.S. Food and Drug Administration regulations, ingredient labels contain listing of food coloring used. Wording may include food color added, artificial flavor and natural color.
Effects
Coloring can cause hives, itching of skin, flushing, muscle and joint aches, fatigue and trigger asthma. Moderate reactions include weakness, behavior and mood changes, migraines and attribute to Attention Deficit Disorder (ADD). It can also cause anaphylaxis.
Considerations
If an allergic reaction occurs only with prepared food or when eating in restaurants, see a doctor or a board-certified allergist. Keep a food diary. Write down the foods that may have caused a reaction.
Prevention/Solution
Avoid prepared cereals, gelatin, puddings, bakery goods, fruit drinks and sodas. Consider the Feingold diet, which is a dietary approach to limit the amount of additives and preservatives in a person's diet.
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