E-code guide
E337Sodium Potassium Tartrate
DoubtfulAcidity regulator
E337
Sodium Potassium Tartrate
Acidity regulator
SANHA and MUIS classify as doubtful; JAKIM Handbook 2010 classifies as halal.
Based on 3 cited authorities. Confidence: medium.
What authorities say
3 authorities on record2say Doubtful1says Halal
Why this verdict
E337 is sodium potassium tartrate (Rochelle salt), a salt of tartaric acid used as an acidity regulator and emulsifier in processed cheese and confectionery. SANHA classifies E337 as Mushbooh because tartaric acid is commonly recovered as a by-product of winemaking. JAKIM Handbook 2010 classifies E337 as halal when it is not obtained from a wine by-product. MUIS marks E337 as syubhah, noting it is a derivative of tartaric acid (E334). Because the source is not always disclosed on the label, E337 is doubtful by default.
Common questions
Is E337 halal?
Sodium Potassium Tartrate (E337) is classified doubtful. SANHA and MUIS classify it as doubtful; JAKIM Handbook 2010 classifies it as halal.
What is E337 made from?
Sodium Potassium Tartrate (E337) is derived from plant sources.