E-code guide
E228Potassium Hydrogen Sulphite
HalalPreservative
E228

Potassium Hydrogen Sulphite

Preservative

SANHA classifies this as halal.
Based on 1 cited authority. Confidence: medium.

What authorities say

1 authority on record
1says Halal
Saying Halal1 of 1

Why this verdict

E228 is potassium hydrogen sulphite (potassium bisulphite), a sulphur-based preservative and antioxidant used in winemaking and processed foods. SANHA classifies E228 as Halaal. SANHA is the only authority in the source corpus to publish a position on this preservative. It is produced from mineral sources.

Common questions

Is E228 halal?

Potassium Hydrogen Sulphite (E228) is classified halal. SANHA classifies it as halal.

What is E228 made from?

Potassium Hydrogen Sulphite (E228) is a mineral.

Only SANHA has a published position on this additive. The verdict is provisional until more authorities weigh in.
Last reviewed by the HalalHQ research team in May 2026.