E337 Sodium potassium tartrate — is it halal?
Description
A double salt of tartaric acid in which one carboxyl group is neutralised by potassium and the other by sodium; its old name is Rochelle salt. The feedstock is the same as for the whole group — tartar, lees and grape marc — neutralised here with sodium alkali or soda.
Names: Тартрат натрия-калия · Sodium potassium tartrate · طرطرات البوتاسيوم والصوديوم
Also known as: Rochelle salt, сегнетова соль, соль Сеньетта, калия-натрия виннокислый, Seignette salt, potassium sodium L(+)-tartrate, 酒石酸钾钠, ملح روشيل, E 337, INS 337, Potassium sodium dextro-tartrate
Category: Acidity regulators
Regulatory source: EU 1333/2008
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