potassium sodium tartrate

Basic Information

Field	Content
Chinese name	potassium sodium tartrate
English name	potassium sodium tartrate
INS/E number	INS 337
Functional class	Food acid
Year adopted	1969
Approved by	Australia/New Zealand (FSANZ), European Union (EFSA)

What is it?

Potassium sodium tartrate (Rochelle salt) is the potassium-sodium double salt of tartaric acid, produced by neutralising tartaric acid with potassium and sodium hydroxides. It is used as an acidity regulator, buffer and emulsifying salt.

Source

Industrial：中和反应、结晶、干燥得到酒石酸钾钠

Why is it used?

• Buffers and stabilises pH
• Emulsifying salt improving texture
• Adjusts acidity and flavour balance
• Used in meats, dairy, beverages

Common Foods

• Meat products
• Processed cheese
• Beverages
• Jams
• Bakery
• Sauces

Safety

ADI (Acceptable Daily Intake)：not limited

Usage Standard

China：GB 2760《食品安全国家标准 食品添加剂使用标准》

International：

• EU Regulation 1333/2008 Annex II (E 337)
• FDA 21 CFR 184.1099 (GRASS)
• Codex GSFA (INS 337)
• FSANZ Food Standards Code (337)

In a nutshell

Potassium sodium tartrate is a safe, unlimited buffering and emulsifying salt for meats and dairy.

Consumer Advice

Potassium sodium tartrate (Rochelle salt) is the mixed potassium-sodium salt of tartaric acid, used as an acidity regulator, emulsifying salt and buffer in jellies, jams, cheese and drinks. It has a good safety profile and is harmless at authorised levels. Those managing sodium or potassium intake should simply count the relevant ion.

Dietary Restrictions

• Vegan: ✅
• Halal: ✅
• Kosher: ✅

Allergens

✅ Free from common allergens

Disclaimer

The information provided here is for discussion and educational purposes only. It is not medical advice or an evaluation/rating of any product or ingredient. This information may not apply to you; before using or taking any action, you should contact the manufacturer, vendor, medical, dietary, fitness, or other professionals. If you use any information provided here, you do so at your own risk.