What is E222? Sodium Hydrogen Sulphite Explained
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E222 is Sodium Hydrogen Sulphite — a preservative (synthetic) used in bread and baked goods, wine and cider.
What is E222 (Sodium Hydrogen Sulphite)?
E222 is Sodium 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, E222 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 E222 found?
E222 (Sodium 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 E222 safe?
E222 is authorised in the EU and UK but carries genuine concerns. E222 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 Sodium 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: Sodium Hydrogen Sulphite — status Some concerns.
Check the calorie content of foods containing E222. If you’re pregnant, see our pregnancy food safety guide.
Cleaner alternatives to E222
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E222 FAQs
What is E222 in food?
E222 is Sodium Hydrogen Sulphite — a preservative (synthetic) used in bread and baked goods, wine and cider.
Is E222 safe to eat?
E222 is authorised in the EU and UK but carries genuine concerns. E222 is a sulphite or sulphite-related additive — sulphites are declared allergens that can trigger asthma and respiratory reactions i
Is E222 vegan?
E222 (Sodium Hydrogen Sulphite) is vegan. It is derived from synthetic, with no animal involvement in standard food production.
Is E222 halal?
E222 (Sodium 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