Propylene glycol alginate

Propylene glycol alginate is an emulsifier, stabilizer, and thickener used in food products. It is a food additive with E number E405. Chemically, propylene glycol alginate is an ester of alginic acid, which is derived from kelp. Some of the carboxyl groups are esterified with propylene glycol, some are neutralized with an appropriate alkali, and some remain free.

See also

• List of food additives, Codex Alimentarius

External links

• What is the "propylene glycol alginate" found in salad dressings? at The Straight Dope
• Propylene glycol alginate at aisonschem.com