Titanium Dioxide
Also known as: Titania, Rutile, Anatase, Brookite
Colorants
Safety rating
Avoid
Eat Away!Generally SafeUse SparinglyAvoid
Purpose and Function
Titanium Dioxide (E171) is a naturally occurring mineral used in the food industry primarily as a white colorant. It is highly effective at providing a bright, opaque white color and is a very popular additive due to its ability to provide an intense white color without affecting flavor or texture.
Commonly found in
- —Candies, chewing gum, and sweets
- —Cake decorations, icings, and frostings
- —Cheeses, creamers, and dairy-based desserts
- —Sauces, dressings, and processed snacks
- —Pill and capsule coatings
Key functions
- —Provides bright, opaque white coloring
Potential Risks and Side Effects
- 01Classified as a possible carcinogen by IARC when inhaled in large quantities (industrial settings, not food use)
- 02Banned for use in food products in the European Union since 2022 due to uncertainties about accumulation in the body
- 03Still approved for use in the United States, Australia, and Canada
- 04No evidence of acute toxicity at typical food-use quantities, though long-term nanoparticle effects remain under study
References
- [1]Re-evaluation of titanium dioxide (E171) as a food additive — European Food Safety Authority
- [2]IARC Monographs — titanium dioxide — International Agency for Research on Cancer