Abstract
In this paper we present a possible application of cinnamon essential oil to be encapsulated into gel drops of psyllium and of psyllium-alginate mixtures and to be released by the beads. It could act as green biocide for the protection of antique books, old documents and, generally, of any cellulosic material (paper, wood, textiles) object of cultural interest from biological attack. The components of the cinnamon essential oil, released by alginate, psyllium-alginate and purified psyllium-alginate beads, were determined by GC-MS analysis. Moreover, an evaluation of the cinnamon essential oil release during the time was carried out by in time HS-SPME-GS-MS so to obtain in time semi-quantitative information about the emitted gaseous species. Last by, in order to confirm the ability of the beads to perform an antimicrobial action, respirometric tests were carried out on Saccharomyces cerevisiae yeast cells looking at the reduction of their breathing activity, when in presence of the above beads.
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