What is E228? Potassium Hydrogen Sulphite Explained
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E228 is Potassium Hydrogen Sulphite — a preservative (synthetic) used in bread and baked goods, wine and cider.
What is E228 (Potassium Hydrogen Sulphite)?
E228 is Potassium 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, E228 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 E228 found?
E228 (Potassium 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 E228 safe?
E228 is authorised in the EU and UK but carries genuine concerns. E228 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 Potassium 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: Potassium Hydrogen Sulphite — status Some concerns.
Check the calorie content of foods containing E228. If you’re pregnant, see our pregnancy food safety guide.
Cleaner alternatives to E228
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MORiSH Pork Chicharrónes
Prefer snacks with no artificial colours, preservatives or sweeteners? MORiSH pork chicharrónes are 79% protein, zero carbs and have a short, readable ingredient list.
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E228 FAQs
What is E228 in food?
E228 is Potassium Hydrogen Sulphite — a preservative (synthetic) used in bread and baked goods, wine and cider.
Is E228 safe to eat?
E228 is authorised in the EU and UK but carries genuine concerns. E228 is a sulphite or sulphite-related additive — sulphites are declared allergens that can trigger asthma and respiratory reactions i
Is E228 vegan?
E228 (Potassium Hydrogen Sulphite) is vegan. It is derived from synthetic, with no animal involvement in standard food production.
Is E228 halal?
E228 (Potassium 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