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ammonium sulfate ​

Basic Information ​

FieldContent
Chinese nameammonium sulfate
English nameammonium sulfate
INS/E numberINS 517
Functional classMineral salt, Improving agent
Year adopted1969
Approved byEuropean Union (EFSA)

What is it? ​

Ammonium sulfate is an inorganic ammonium salt used in foods mainly as a yeast food, dough conditioner and processing aid. It provides a nitrogen source for yeast fermentation, promoting dough expansion.

Source ​

Industrial：由氨与硫酸中和反应生成硫酸铵

Why is it used? ​

  • Acts as a yeast food promoting fermentation
  • Improves loaf volume as a dough conditioner
  • Used in some confectionery processing
  • Serves as a processing aid

Common Foods ​

  • Bread and yeast-fermented foods
  • Bakery premixes
  • Confectionery
  • Fermented beverages
  • Processing aid

Safety ​

ADI (Acceptable Daily Intake)：Not applicable (evaluated, no limit set)

Concerns：

  • 肾功能异常者需限制铵摄入

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 517)
  • FDA 21 CFR 184.1143 (ammonium sulfate, GRASS)
  • Codex GSFA (INS 517)
  • FSANZ Food Standards Code (517)

In a nutshell ​

Ammonium sulfate is a common yeast food and dough conditioner that aids fermentation and loaf volume.

Consumer Advice ​

Ammonium sulfate is used in food mainly as a yeast nutrient and acidity regulator, helping yeast ferment better in bread and baked goods, and in starch and cereal processing. Both ammonium and sulfate are normal products of body metabolism. It is safe at approved levels and poses no concern in normal food use.

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.