Abstract
This paper, for the first time, presents the formation of composite coatings based on tannin, corn starch, and calcium dihydrophosphate by a low-energy electron beam in vacuum. Molecular structure, antiradical, antifungal and antibacterial properties of such coatings have been studied. Two-layer coatings (tannin + corn starch (1:1)) + Ca(H2PO4)2·H2O layer can be used for prolonged release of tannin into aqueous media. The bactericidal activity of the two-layer composite coating against S. aureus and S. viridans in most cases were found to be significantly higher than the bactericidal activity of the tannin coating. Two-layer composite coatings have pronounced fungicidal activity against C. albicans and can be used for treating oral lesions (mucositis).
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