Propylene glycol alginate (PGA) is a product obtained by exquisitely extracting alginic acid from natural macroalgae in the pollution-free sea area of Chile, and then esterifying with propylene oxide. Molecular formula: (C9H14O7) n, the appearance is milky white to light yellow granular.
There are lipophilic and lipophilic groups in the molecule of propylene glycol alginate, so it has emulsification and unique properties.
Special foam stabilizing effect, good protein stabilization effect under acidic conditions, its viscosity varies with the acidity increases as it increases, with high lipophilicity and good emulsification stability.
Main purpose and use reference:
Application | Function | Reference Dosage |
Beer Sparking wine | Foam Stabilizer | 0.004-0.012 |
Soybean protein beverage | Stabilizer,Emulsifier,thickener | 0.1-0.2 |
Yogurt, Yogurt, Mix Juice Milk
| Stabilizer,Emulsifier,thickener | 0.1-0.3 |
Concentrated fruit juice | Stabilizer | 0.1-0.3 |
Emulsified essence | Emulsifier | 0.05-0.2 |
Butterine | Emulsifier | 0.01-0.3 |
Soy sauce, salad dressing, seasoning, ketchup | Stabilizer,Emulsifier,thickener | 0.2-1.0 |
Ice cream, cold drinks | Stabilizer,Emulsifier,thickener | 0.05-0.1 |
PRODUCT STANDARD
Item | GB 1886.226-2016 | E405 |
Colour | White or light yellow | - |
Form | Powder | - |
Esterification degree,w/% | ≥ 40.0 | - |
Insoluble ash,w/% | ≤1.0 | - |
Loss on drying,w/% | ≤20.0 | ≤15 |
Arsenic(As)/(mg/kg) | ≤2.0 | ≤3 |
Formaldehyde(mg/kg) | - | ≤50 |
Lead(Pb)/(mg/kg) | ≤5.0 | ≤5 |
Mercury（Hg)/(mg/kg) | - | ≤1 |
Cadmium（Cd）/(mg/kg) | - | ≤1 |
Total plate count/(cfu/g) | - | ≤5000 |
Yeast and mould/(cfu/g) | - | ≤500 |
E. coli | - | Absent in 5 g |
Salmonella | Absent in 10 g |
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