Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/2067/42832
Titolo: Preparation of Lignin Nanoparticles with Entrapped Essential Oil as a Bio-Based Biocide Delivery System
Autori: Zikeli, Florian
Vinciguerra, Vittorio 
Sennato, Simona
Scarascia Mugnozza, Giuseppe 
Romagnoli, Manuela 
Rivista: ACS OMEGA 
Data pubblicazione: 2020
Abstract: 
Lignin isolated from beech sawdust was used for the preparation of lignin nanoparticles (LNPs) with entrapped essential oil (EO) from cinnamon bark (Cinnamomum zeylanicum Blume), common thyme (Thymus vulgaris L.), and wild thyme (Thymus serpyllum L.) using a fast antisolvent method. Analysis of EO-loaded LNPs by pyrolysis-gas chromatography-mass spectrometry and Fourier transform infrared spectroscopy confirmed molecular interaction between EOs and LNPs. Quantification of EO incorporation into the LNPs and their in vitro release profiles were assessed by reversed phase high-performance liquid chromatography. Utilized EOs were, to different extents, successfully entrapped inside LNPs, which were attributed to extensive π-stacking between aromatic compounds in EOs like cinnamaldehyde, thymol, and carvacrol on one side and aromatic lignin units on the other side. In vitro release of common thyme and wild thyme EOs from EO-loaded LNPs was strongly delayed compared to the use of pure oil, giving a promising outlook for the development of new bio-based biocide delivery systems for wood preservation.
URI: http://hdl.handle.net/2067/42832
ISSN: 2470-1343
DOI: 10.1021/acsomega.9b02793
Diritti: CC0 1.0 Universal
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