Silicon dioxide
What is Silicon dioxide?
Silicon dioxide, also known as silica, is a naturally occurring compound found in sand and rock. It is manufactured for food use by processes such as flame spray pyrolysis, which involves heating silicon tetrachloride in a flame.
Is Silicon dioxide vegan?
Silicon dioxide is not animal-derived. Products that contain it can still include other animal-derived ingredients, so check the full ingredient list.
Is Silicon dioxide gluten-free?
It is not gluten.
Is Silicon dioxide a major allergen?
Silicon dioxide is not derived from any of the 14 major allergens that UK law requires to be emphasised on food labels.
What is Silicon dioxide used for?
It is added to powdered foods as an anti-caking agent to prevent clumping and improve flowability.
Is Silicon dioxide safe?
Silicon dioxide is an authorised food additive in Great Britain, listed on the Register of Food Additive Authorisations.
Why it's used
It is added to powdered foods as an anti-caking agent to prevent clumping and improve flowability. This helps maintain the texture and ease of use in products like spices, spice mixes, and powdered seasonings.
Health notes
Silicon dioxide is an authorised food additive in Great Britain, listed on the Register of Food Additive Authorisations. It is generally considered safe for consumption at typical intake levels. EFSA has evaluated silicon dioxide and it has been assigned an E-number. JECFA did not set a numeric limit (ADI not specified). There is no widespread scientific controversy regarding its safety at permitted levels.
Regulatory status
Authorised in Great Britain (FSA register): England, Scotland, Wales. FSA register of authorised products
Permitted uses in the EU
| Food category | Maximum level |
|---|---|
| 5.3 chewing gum | No numerical limit listed |
| 13.1 foods for infants and young children | 10.000 |
| 13.1.3 Processed cereal-based foods and baby foods as defined by Regulation (EU) No 609/2013 | 2000 |
Allergen info
Silicon dioxide is not derived from any of the 14 major allergens that UK law requires to be emphasised on food labels. It is not gluten.
Foods that contain Silicon dioxide
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