calcium hydrogen carbonate
Basic Information
| Field | Content |
|---|---|
| Chinese name | calcium hydrogen carbonate |
| English name | calcium hydrogen carbonate |
| INS/E number | INS 170(ii) |
| Functional class | Acidity regulator, Anti-caking agent, Stabilizer, Surface colourant |
| Year adopted | To be added. |
| Approved by | European Union (EFSA) |
What is it?
Calcium hydrogen carbonate (INS 170(ii)) is the acid salt of calcium carbonate; it is unstable at room temperature and mainly used as a processing aid / acidity-related agent rather than a standalone colour.
Source
Industrial：二氧化碳通入石灰水/碳酸钙悬浮液反应生成，通常现制现用
Why is it used?
- Temporarily supplies calcium and carbonate
- Used in specific processes (e.g. mineralised water)
- Adjusts pH
- Serves as a processing aid
- Occasionally as a calcium source
Common Foods
- Mineralised drinking water
- Foods involving processing aids
- Calcium-fortified liquids
- Bakery premixes
- Some beverages
Safety
ADI (Acceptable Daily Intake)：Not applicable (evaluated, no limit set)
Concerns：
- 常温不稳定、难以稳定储存
- 实际食品中多以分解后形态存在
Usage Standard
China：GB 2760（相关钙盐管理）
International：
- EU Regulation 1333/2008 (E 170 框架下)
- FDA 一般认定为 GRAS 钙盐
- Codex GSFA (INS 170(ii))
- FSANZ Food Standards Code (Calcium salts)
In a nutshell
Calcium hydrogen carbonate (170(ii)) is an unstable calcium-salt processing aid, safe but rarely used alone as a colour.
Consumer Advice
Calcium hydrogen carbonate is an unstable mineral compound of calcium used occasionally as an acidity regulator or source of calcium in food. As an inorganic mineral, it is unrelated to any animal or plant source, making it fully suitable for vegan, halal and kosher diets. It is safe and is not an allergen.
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.