E629 (Calcium guanylate) is a chemical compound, nucleotide, dipotassium salt of guanylic acid.

It appears as a whitish crystalline powder.

What it is used for and where

Food

Ingredient listed in the European food additives list as E629 as a flavour enhancer to improve the taste of food or drink (1).

Safety

In the minimum quantities in which it is included in food or cosmetics, it is of no concern. Check for cumulative intake.

• Molecular Formula  C₁₀H₁₂CaN₅O₈P
• Molecular Weight    401.28 g/mol
• CAS  38966-30-2
• UNII   8DB3O97A3G 
• EC Number   

References_____________________________________________________________________

(1) Soni, S., Thankachan, R., Haponiuk, J.T. and Gopi, S., 2023. Challenges of Sensory Science: Retention and Release. Natural Flavours, Fragrances, and Perfumes: Chemistry, Production, and Sensory Approach, pp.191-205.