What is E227? Calcium Hydrogen Sulphite Explained
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E227 is Calcium Hydrogen Sulphite — a preservative (synthetic) used in bread and baked goods, wine and cider.
What is E227 (Calcium Hydrogen Sulphite)?
E227 is Calcium Hydrogen Sulphite, a food additive classified as a preservative that extend shelf life by preventing microbial growth. A preservative (synthetic) used in bread and baked goods, wine and cider. You'll find it in bread and baked goods, wine and cider, cured meats and many other packaged foods. Like every E-number, E227 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 E227 found?
E227 (Calcium Hydrogen Sulphite) is found in bread and baked goods, wine and cider, cured meats, cheese, pickles and condiments, soft drinks.
- bread and baked goods
- wine and cider
- cured meats
- cheese
- pickles and condiments
- soft drinks
Is E227 safe?
E227 is authorised in the EU and UK but carries genuine concerns. E227 is a sulphite or sulphite-related additive — sulphites are declared allergens that can trigger asthma and respiratory reactions in sensitive people (estimated 5–10% of asthmatics). For most people consuming Calcium Hydrogen Sulphite in typical quantities, health effects are unlikely — but the caution flag reflects either active scientific debate, mandatory warning labels, allergen status, or conditions attached to its authorisation.
EFSA opinion: Calcium Hydrogen Sulphite — status Some concerns.
Check the calorie content of foods containing E227. If you’re pregnant, see our pregnancy food safety guide.
Cleaner alternatives to E227
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MORiSH Pork Chicharrónes
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E227 FAQs
What is E227 in food?
E227 is Calcium Hydrogen Sulphite — a preservative (synthetic) used in bread and baked goods, wine and cider.
Is E227 safe to eat?
E227 is authorised in the EU and UK but carries genuine concerns. E227 is a sulphite or sulphite-related additive — sulphites are declared allergens that can trigger asthma and respiratory reactions i
Is E227 vegan?
E227 (Calcium Hydrogen Sulphite) is vegan. It is derived from synthetic, with no animal involvement in standard food production.
Is E227 halal?
E227 (Calcium Hydrogen Sulphite) is halal. It is derived from synthetic, which involves no haram sources.
Related Preservatives additives
Also check: safe for cats? · safe for dogs? · calorie checker · medication interactions
Data: Open Food Facts (ODbL) · EFSA