Investigation of Hydrogel Sheets Based on Highly Esterified Pectin

The report describes the features of physical and mechanical properties and absorption capacity of hydrogels based on highly esterified pectin. Experimental data showed the correlation between these values. Also, an attempt is made to explain the obtained dependencies via the hydrogel morphology and the mechanism of its formation.

Formation of pectine-based hydrogels with different degree of esterification

The various samples of pectins with degrees of esterification of 40-70% in the work were obtained using pectin with degree of esterification of 81.5%. It was shown that the determining factor for successful formation of hydrogel plates is the degree of esterification of polysaccharide. It was established that hydrogel plates obtained by the method of structuring of calcium salts are formed only on the basis of pectin with the degree of esterification less than 70%.