Additive guide

E171 Titanium dioxidewhat it means on a food label

Banned in EU food since 2022 after EFSA could not rule out genotoxicity from nanoparticles. Still allowed in the US. Berry Pure flags additives like this during a scan so you can decide faster at the shelf.

Berry Pure verdict

Best avoided

E171 is on Berry Pure's best-avoided list because the evidence record includes a ban, warning-label requirement, regulatory action, or a consistent health concern. The practical move is simple: if you see E171 or Titanium dioxide on a food you buy often, scan the label and look for a cleaner swap.

Usually found in

White coatings, sweets, gum (non-EU)

If these are regular buys in your kitchen, scan a few brands side by side. Additive use can vary a lot between similar products.

Additive family

Colour

Dyes and pigments that change how food looks.

How to spot it on a label

Manufacturers may use the E-number code, the full additive name, or a common alternative name. These are the label terms to check:

  • E171
  • Titanium dioxide

Related additives

Same family, similar label context, or the same Berry Pure verdict.

E102TartrazineE104Quinoline YellowE110Sunset YellowE122CarmoisineE124Ponceau 4RE127Erythrosine

Frequently askedquestions

Everything you need to know about scanning your food with Berry Pure.

What is E171 Titanium dioxide?

E171 is Titanium dioxide, a colour used in foods such as white coatings, sweets, gum (non-eu). Banned in EU food since 2022 after EFSA could not rule out genotoxicity from nanoparticles. Still allowed in the US.

Is E171 bad for you?

E171 is on Berry Pure's best-avoided list because the evidence record includes a ban, warning-label requirement, regulatory action, or a consistent health concern. The practical move is simple: if you see E171 or Titanium dioxide on a food you buy often, scan the label and look for a cleaner swap.

How do I spot E171 on a label?

Look for these label names: E171, Titanium dioxide. Some products spell out the additive name instead of using the E-number code.

Can Berry Pure flag E171?

Yes. Berry Pure scans ingredient labels with your camera and flags additives like E171 so you do not have to memorize code numbers while shopping.

Sources

The claims on this page are based on these publications.

  1. EFSAFood additives: how additives are evaluated and approved in the EU
  2. EFSATitanium dioxide E171 no longer considered safe when used as a food additive
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