Synergistic properties of arabinogalactan (Ag) and hyaluronic acid (ha) sodium salt mixtures

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Abstract

The properties of mixtures of two polysaccharides, arabinogalactan (AG) and hyaluronic acid (HA), were investigated in solution by the measurement of diffusion coefficients D of water protons by DOSY (Diffusion Ordered SpectroscopY), by the determination of viscosity and by the investigation of the affinity of a small molecule molecular probe versus AG/HA mixtures in the presence of bovine submaxillary mucin (BSM) by1HNMR spectroscopy. Enhanced mucoadhesive properties, decreased mobility of water and decreased viscosity were observed at the increase of AG/HA ratio and of total concentration of AG. This unusual combination of properties can lead to more effective and long-lasting hydration of certain tissues (inflamed skin, dry eye corneal surface, etc.) and can be useful in the preparation of new formulations of cosmetics and of drug release systems, with the advantage of reducing the viscosity of the solutions.

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Di Mola, A., Summa, F. F., Oliva, P., Lelj, F., Remiddi, S., Silvani, L., & Massa, A. (2021). Synergistic properties of arabinogalactan (Ag) and hyaluronic acid (ha) sodium salt mixtures. Molecules, 26(23). https://doi.org/10.3390/molecules26237246

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