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Type of alginate: protanal ester
Application: dressings
Functions and benefits: Thickening, stabilizing, emulsifying; good mouthfeel; acid stable
Propylene glycol alginate (PGA) 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.
propylene glycol alginate specifications
Item |
GB10616-2004 |
Shape |
White or light yellow powder |
Esterification degree,% |
≥80.0 |
Size (mesh) |
/ |
Insoluble ash % |
≤1.0 |
Loss on heating % |
≤20.0 |
Arsenic % |
≤0.0002 |
Heavy metal (measure in Pb) % |
≤0.002 |
Lead % |
≤0.0005 |