Purification of commercial gellan to monovalent cation salts results in acute modification of solution and gel-forming properties

Lithium, sodium, potassium, and ammonium salts of the industrial polysaccharide gellan were prepared. The salts were freely soluble in water at room temperature (25°C). The opinion had been generally held that heating to 100°C was necessary for gellan to achieve complete solubility in the presence o...

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