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Propylene glycol alginate

Propylene glycol alginate

Propylene glycol alginate image - Tradeasia | Top Food Chemical Supplier & Trader
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  • 3-[3,4-dihydroxy-6-(2-hydroxypropoxycarbonyl)-5-methyloxan-2-yl]oxy-4,5-dihydroxy-6-methoxyoxane-2-carboxylic acid
  • 29053200
  • C17H28O13
  • White to yellow powder
  • 9005-37-2
  • PGA
  • 25 kg inner/outer plastic bags
    50kg
    100kg
    120kg
    200kg iron drum
    22.5 MT/20' FCL
    As per customer’s request
Grade Origin Download
China
 TDS MSDS

Application

Category

  • Thickeners
  • Stabilizers
  • Emulsifiers

BRIEF OVERVIEW

Propylene glycol alginate is widely used in the food industry as an emulsifier, as a stabilizer and as a thickener. It is represented by the E number E405. It is an ester of alginic acid which is derived from large brown sea-weed called kelp. It is white to yellowish filamentous powder available in the market and it is also used in cosmetics.

MANUFACTURING PROCESS

Propylene glycol alginate is made by taking moist alginic acid (20 percent or greater solids) that has been partially reacted with sodium carbonate, and treating it with liquid propylene oxide in a pressure vessel for 2 hours at about 80°C. The product is dried and milled.

FOOD INDUSTRY

It is used in salad dressings as emulsifier. It can be used to hold food components together or thicken them during and after processing. It dissolves other food additives or nutrients to be used in processing, such as colors, flavors or antioxidants. It helps prevent food components from sticking to one another and forming clumps, such as in dried soups or grated cheese. One application is as an emulsion stabilizer for salad dressings where PGA is used in combination with xanthan gum.  Another application is a dispersion stabilizer for acid milk beverages, where PGA is used to avoid precipitation.

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