E173Colorant

E173

Learn what E173 (E173) is, why it's added to food, whether it's safe, and which products contain it.

Low concern

What is E173?

A food additive from the category of surface colorants. It gives a grey-silver color and can be used in recipes for various decorations for confectionery and pastry products.

Why is E173 added to food?

E173 (E173) is a colorant commonly found in: Pastry and confectionery products.

Permitted quantity: It is considered that the daily intake of aluminum from other food sources (such as the use of aluminum foil and cookware, etc.) is higher than the amount ingested as a food additive.

Is E173 safe?

Low concern

No known side effects when used as a food additive.

Is E173 banned anywhere?

⚠ Restricted in some countries (not banned in the EU)

Common foods that contain E173

  • Pastry and confectionery products

See the full list of foods that contain E173

How to spot E173 on labels

Look for any of these names in the ingredients list:

  • E173
  • E173

Common misspellings to watch for:

  • e173

Better alternatives

• High concentrations of aluminum can cause serious side effects in humans (irreversible damage to the nervous system, etc.) • Some studies associate it with Alzheimer's and Parkinson's diseases. • It is neurotoxic and also associated with osteoporosis. • It is banned in Australia.

Explore homemade alternatives to processed snacks →

Also known as

  • e173

Scan products with BioBrief

Not sure if a product contains E173? BioBrief scans the barcode and instantly shows you every additive in the ingredients list — including E173 — with a plain-language explanation.

Frequently asked questions about E173

Is E173 safe to eat?
No known side effects when used as a food additive.
Is E173 banned anywhere?
E173 is not banned in the EU but is restricted in some countries.
How do I spot E173 on a food label?
Look for E173, E173 in the ingredients list. It may also appear as: e173.

Ingredients change. Always check the actual product label before purchasing. Information on this page is for educational purposes only.