E341(I) · Monocalcium Phosphate

EatMatrix verdict
Safe
Last reviewed:
EatMatrix research team
WHO
Safe
FDA
Safe
EFSA
Safe
FSANZ
Safe
Japan
Safe
UK FSA
Safe
Health Canada
Safe
HalalVeganKosherNut-freeDairy-freeVegetarianGluten-free

What is E341(I)?

Monocalcium phosphate (MCP) is a mineral-derived compound used mainly as a fast-acting acid in baking powders, reacting quickly with sodium bicarbonate once moistened to release carbon dioxide. It also functions as a dough conditioner, emulsifier, firming agent, and nutrient source of calcium and phosphorus in fortified foods.

Also appears on labels as: Monocalcium phosphate, MCP, Calcium dihydrogen phosphate, Monobasic calcium phosphate, Monocalcium orthophosphate, Calcium phosphate monobasic, Calcium phosphate (monobasic), E341(i), E 341(i), E-341(i), INS 341(i), Acid calcium phosphate.

What the evidence says

  • Generally recognized as safe at typical food levels.
  • High total phosphorus intake from all dietary sources can be a concern for people with chronic kidney disease.

Frequently asked questions

Is E341(I) safe?

Our overall verdict for E341(I) (Monocalcium Phosphate) is “Safe”, based on the most cautious of the major regulators’ positions — FDA: safe; WHO: safe; EFSA: safe; FSANZ: safe; Japan: safe; UK FSA: safe; Health Canada: safe.

Is E341(I) vegan, halal or gluten-free?

According to our ingredient data for Monocalcium Phosphate — vegan: yes, vegetarian: yes, halal: yes, kosher: yes, gluten-free: yes, dairy-free: yes. Manufacturing sources can vary between products; check the label if it matters to you.

What is E341(I) and why is it used?

Monocalcium phosphate (MCP) is a mineral-derived compound used mainly as a fast-acting acid in baking powders, reacting quickly with sodium bicarbonate once moistened to release carbon dioxide. It also functions as a dough conditioner, emulsifier, firming agent, and nutrient source of calcium and phosphorus in fortified foods.

Does E341(I) contain allergens?

No known allergens are recorded for Monocalcium Phosphate.

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This page summarises publicly available regulatory assessments and research. It is general information, not medical advice. Sources: EFSA, FDA, WHO and the studies linked above.