Abstract：
:The paper presents a new approach, covering wood with silica-based material in order to protect it from spoilage due to microbial colonisation and avoiding the loss of the natural features of the wood. Wood specimens derived from wine barrels were treated with methyltriethoxysilane in gas phase, leading to the deposition of a silica nanofilm on the surface. (29)Si and (13)C solid state Nuclear Magnetic Resonance and Scanning Electron Microscope-Energy Dispersive X-ray analysis observations showed the formation of a silica polymeric film on the wood samples, directly bonding with the wood constituents. Inductively Coupled Plasma-Mass Spectroscopy quantification of Si showed a direct correlation between the treatment time and silica deposition on the surface of the wood. The silica-coated wood counteracted colonisation by the main wine spoilage microorganisms, without altering the migration from wood to wine of 21 simple phenols measured using a HPLC-Electrochemical Coulometric Detection.
journal_name
Food Microbioljournal_title
Food microbiologyauthors
Guzzon R,Widmann G,Bertoldi D,Nardin T,Callone E,Nicolini G,Larcher Rdoi
10.1016/j.fm.2013.12.002subject
Has Abstractpub_date
2015-02-01 00:00:00pages
135-46issue
Pt Aeissn
0740-0020issn
1095-9998pii
S0740-0020(13)00242-6journal_volume
45pub_type
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