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The In Vitro Activity of Essential Oils against Helicobacter Pylori Growth and Urease Activity
Open AccessArticle

Essential Oils as Natural Biocides in Conservation of Cultural Heritage

1
Laboratory of Biology and Biotechnology for Cultural Heritage, Department of Biological, Chemical, and Pharmaceutical Science and Technologies, University of Palermo, Via Archirafi 38, 90123 Palermo, Italy
2
Laboratory of Natural Products, Department of Biological, Chemical, and Pharmaceutical Science and Technologies, University of Palermo, V. le delle Scienze Ed. 17, 90128 Palermo, Italy
*
Author to whom correspondence should be addressed.
Molecules 2020, 25(3), 730; https://doi.org/10.3390/molecules25030730 (registering DOI)
Received: 24 December 2019 / Revised: 4 February 2020 / Accepted: 5 February 2020 / Published: 7 February 2020
(This article belongs to the Collection Recent Advances in Flavors and Fragrances)
Essential oils (EOs) have been known for a long time, and they are used in several fields such as medicine and aromatherapy, as well as in the food and pharmaceutical industries. In the last decade, EOs have also been applied to contrast the biodeterioration of cultural heritage, representing a powerful resource in green conservation strategies. In this study, an integrated approach based on microscopic observation, in vitro culture, and molecular investigation was preliminarily employed to identify biological systems colonizing wooden artworks. In order to contrast the biodeterioration processes induced by fungal colonization (Aspergillus flavus) or insect infestation (Anobium punctatum), wooden artworks were exposed to the volatile compound of Origanum vulgare or Thymus vulgaris essential oils (EOs), the chemical composition of which was determined by GC–MS using both polar and apolar columns. Artwork exposure was performed in ad-hoc-assembled “clean chambers.” Evaluating the effects on biological systems, the compatibility with artwork constitutive materials, and the lack of negative effects on human health and environmental pollution, the use of EOs as a valid alternative to traditional biocides must be considered. View Full-Text
Keywords: biodeterioration; cultural assets; essential oils; GC–MS analysis; green conservation; insect repellent; microbial growth control biodeterioration; cultural assets; essential oils; GC–MS analysis; green conservation; insect repellent; microbial growth control
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MDPI and ACS Style

Palla, F.; Bruno, M.; Mercurio, F.; Tantillo, A.; Rotolo, V. Essential Oils as Natural Biocides in Conservation of Cultural Heritage. Molecules 2020, 25, 730.

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