Physicochemical and Rheological Properties of Potential Additives for Synthetic Saliva Preparation

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The present paper describes the results of the physicochemical and rheological characterisation of the selected self-made solutions of synthetic saliva. The substitutes of the used saliva were prepared on the basis of gums (xanthan, guar, arabic and carob bean) dissolved in saline buffer. Additionally, one of preparations were composed of xanthan gum and sodium dodecyl sulphate (SDS). The analysis of the viscosity, pH, surface tension and conductivity of the tested solutions was performed. The tests were carried out following one, three and seven days. The obtained results of the conducted studies showed differences between the tested preparations in the scope of the above evaluated quantities. The preparations based on the tested gums have similar properties in terms of pH, surface tension and conductivity. Only the substitute with the addition of xanthan gum and SDS exhibited different characteristics: the highest value of pH and the lowest values of conductivity and surface tension. In the case of viscosity, some preparations exhibited Newtonian rheological characteristics while others exhibited non-Newtonian characteristics.

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Periodical:

Solid State Phenomena (Volumes 220-221)

Edited by:

Algirdas V. Valiulis, Olegas Černašėjus and Vadim Mokšin

Pages:

640-645

Citation:

J. Mystkowska, "Physicochemical and Rheological Properties of Potential Additives for Synthetic Saliva Preparation", Solid State Phenomena, Vols. 220-221, pp. 640-645, 2015

Online since:

January 2015

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