Pecularities of structuring of the agar-agar - heliantius tuberosus pulp system
Abstract
Systems structured on the base of the agar - agar - heliantius tuberosus pulp was obtained. Structure formation in the agar - agar - heliantius tuberosus pulp system is stipulated by the formation of the hydrogen bonds between the carboxyl and hydroxyl groups of carbohydrates and pectin stabilized by hydrophobic interactions between their non-polar areas. Introduction urea to agar-heliantius tuberosus pulp system results to destruction of the structure which confirms the important role of hydrogen bonds and hydrophobic interactions in the structure formation. In the presence of NaCl is to increase the strength and decrease the strength of the agar-heliantius tuberosus mixture what explained that the ionizing effect of Na+ on acidic groups of heliantius tuberosus pectin group.
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