030-000-422 Propylene Glycol Alginate (PGA)

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Type Alginate
CAS No. 9005-37-2
Key words Food additives, Alginate, PGA, Thickener
Grade Food grade
Related products Food Grade Sodium Alginate, Industrial Grade Sodium Alginate
Degree of Esterification ≥80%


Propylene Glycol Alginate Introduction

Propylene Glycol Alginate is a kind of white or light-yellow powder with a chemical formula of (C9H14O7)n. Propylene glycol alginate (PGA) is an emulsifier, stabilizer, and thickener used in food products. Chemically, propylene glycol alginate is an ester of alginic acid, which is derived from brown seaweed.

Propylene glycol alginate (PGA) is an ester of alginic acid, derived from brown seaweed, and a food additive used to stabilize, thicken, and emulsify.

Propylene Glycol Alginate Specification

CAS No. 9005-37-2
Chemical Formula (C9H14O7)n
Molecular Weight 234.21
Degree of Esterification ≥80%
Appearance white or light-yellow powder
Package 25kg/Bag
Insoluble ingredients % ≤1.0
Heating loss % ≤20.0
Arsenic % ≤0.0002
Heavy metals (calculated as Pb) % ≤0.002
Lead % ≤0.0005

Propylene Glycol Alginate Application

  • In the food industry, it is used as a thickener, emulsifier, and stabilizer.
  • Propylene glycol alginate has strong acid resistance and can be used in acidic environments with pH 3-5.
  • Propylene glycol alginate has good foaming and emulsifying ability and is widely used in yogurt products, seasonings, and beer foam stabilizers.
  • Propylene glycol alginate has the characteristics of hydration, anti-aging, tissue improvement, etc. It is suitable for raw and dried noodle products, raw wet noodle products, instant rice noodle products, frozen rice noodle products, bread, cakes, and other baked goods and other products.