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Molecules


Title:Evaluation of Vetiver Volatile Compound Production under Aeroponic-Grown Conditions for the Perfume Industry
Author(s):Gavira C; Watteau F; Laine JM; Bourgaud F; Legendre L;
Address:"Plant Advanced Technologies (PAT), F-54500 Vandoeuvre-les-Nancy, France. Laboratoire Sols et Environnement (LSE), UAR 3562 CNRS INRAE, Universite de Lorraine, F-54000 Nancy, France. Laboratoire d'Ecologie Microbienne, UMR CNRS 5557 INRAE 1418, Universite Claude Lyon 1, F-69622 Villeurbanne, France"
Journal Title:Molecules
Year:2022
Volume:20220317
Issue:6
Page Number: -
DOI: 10.3390/molecules27061942
ISSN/ISBN:1420-3049 (Electronic) 1420-3049 (Linking)
Abstract:"Vetiver (Chrysopogon zizanioides (L.) Roberty) is a major tropical perfume crop. Access to its essential oil (EO)-filled roots is nevertheless cumbersome and land-damaging. This study, therefore, evaluated the potential of vetiver cultivation under soilless high-pressure aeroponics (HPA) for volatile organic compound (VOC) production. The VOC accumulation in the roots was investigated by transmission electron microscopy, and the composition of these VOCs was analyzed by gas chromatography coupled with mass spectrometry (GC/MS) after sampling by headspace solid-phase microextraction (HS-SPME). The HPA-grown plants were compared to plants that had been grown in potting soil and under axenic conditions. The HPA-grown plants were stunted, demonstrating less root biomass than the plants that had been grown in potting soil. The roots were slender, thinner, more tapered, and lacked the typical vetiver fragrance. HPA cultivation massively impaired the accumulation of the less-volatile hydrocarbon and oxygenated sesquiterpenes that normally form most of the VOCs. The axenic, tissue-cultured plants followed a similar and more exacerbated trend. Ultrastructural analyses revealed that the HPA conditions altered root ontogeny, whereby the roots contained fewer EO-accumulating cells and hosted fewer and more immature intracellular EO droplets. These preliminary results allowed to conclude that HPA-cultivated vetiver suffers from altered development and root ontology disorders that prevent EO accumulation"
Keywords:"*Chrysopogon/chemistry Gas Chromatography-Mass Spectrometry/methods *Oils, Volatile/chemistry *Perfume Solid Phase Microextraction/methods Chrysopogon zizanioides Hs-spme gc/ms root microstructure root ontogeny soilless culture volatile organic compounds;"
Notes:"MedlineGavira, Carole Watteau, Francoise Laine, Jean-Marc Bourgaud, Frederic Legendre, Laurent eng Switzerland 2022/03/27 Molecules. 2022 Mar 17; 27(6):1942. doi: 10.3390/molecules27061942"

 
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