Gellan gum
time:2013-01-15 14:10:15,count:0
Gellan gum
Alias
 
Category
Polymer surfactants-Sugar
CAS No.
71010-52-1
Structural Formula
low acyl gellan gum:
high acyl gellan gum:
Properties
Appearance: off-white powder.
Solubility: dispersible in water; soluble in hot water.
Stability: stable.
Risk: irritation, irritation to skin, eye.
Ecology: May be hazardous to environment. Water body should be given special attention.
Biodegradability: Biodegradable.
Characteristics: excellent dispersing, emulsifying, thickening, film-forming abilities. microbial metabolism glue. agar substitute. can form transparent gel. Cation, especially divalent cations, can promote to form gel.
Notes: include high acyl gellan gum, low acyl gellan gum. The difference is as follows:
Items
high acyl gellan gum
low acyl gellan gum
apparent strength
soft
hard
elasticity
strong
none
pressure stability
non-friable
friable
gelling temperature
high
low
Synthesis
 
Quality standards & test methods
item
physical and chemical indexes
test methods
actives*, %,≥
85
 
*: Average molecular weight should be marked.
Major Uses
Film-forming agent, viscosity controlling agent in personal care products.
Gelling agents, suspending agents in food.
Use as emulsion stabilizer, dispersing agent.
Use as suspending agent.
Use as gelling agent.
Use as slow-release agent.
Use as water-based lubricant.
Manufacturers
 
Update: 20140911(1);

 

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