What is E551? Silicon Dioxide Explained
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E551 is Silicon Dioxide — a anti caking agent (mineral) used in table salt, icing sugar.
What is E551 (Silicon Dioxide)?
E551 is Silicon Dioxide, a food additive classified as a anti-caking agent that prevent powders and granules clumping. A anti caking agent (mineral) used in table salt, icing sugar. You'll find it in table salt, icing sugar, dried soups and many other packaged foods. Like every E-number, E551 has been authorised for use in food following an EFSA safety evaluation — though authorisation doesn't mean concern-free, as the safety section below explains.
Where is E551 found?
E551 (Silicon Dioxide) is found in table salt, icing sugar, dried soups, baking powder, powdered drinks, seasoning mixes.
- table salt
- icing sugar
- dried soups
- baking powder
- powdered drinks
- seasoning mixes
Also known as: Silicon Dioxide
Is E551 safe?
EFSA has reviewed E551 and considers it safe for human consumption at the levels used in food. No credible evidence links Silicon Dioxide to harm at normal dietary intakes.
EFSA opinion: Silicon Dioxide — status Safe.
Check the calorie content of foods containing E551. If you’re pregnant, see our pregnancy food safety guide.
Related to E551 (Silicon Dioxide)
Products relevant to this additive and your dietary choices
Additive-Free Cookbook
Recipes using whole, unprocessed ingredients with no E-numbers.
Whole Food Cooking Guide
Guides to cooking from scratch and reducing processed food intake.
E551 FAQs
What is E551 in food?
E551 is Silicon Dioxide — a anti caking agent (mineral) used in table salt, icing sugar.
Is E551 safe to eat?
EFSA has reviewed E551 and considers it safe for human consumption at the levels used in food. No credible evidence links Silicon Dioxide to harm at normal dietary intakes.
Is E551 vegan?
E551 (Silicon Dioxide) is vegan. It is derived from mineral, with no animal involvement in standard food production.
Is E551 halal?
E551 (Silicon Dioxide) is halal. It is derived from mineral, which involves no haram sources.
Related Anti-Caking Agents additives
Also check: safe for cats? · safe for dogs? · calorie checker · medication interactions
Data: Open Food Facts (ODbL) · EFSA