Authenticity control of pine sylvestris essential oil by chiral gas chromatographic analysis of α-pinene

Abstract Numerous terpenes present in essential oils (EOs) display one or more chiral centers. Within the same genus the enantiomeric ratio of these compounds can be different. Thus, the determination of enantiomers is a valuable tool to evaluate authenticity and quality of EOs. In here, the terpene...

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Autores principales:	Martina Allenspach, Claudia Valder, Daniela Flamm, Christian Steuer
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/894e5cc3d6f94c1f8c7bde41621e0028
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spelling	oai:doaj.org-article:894e5cc3d6f94c1f8c7bde41621e00282021-12-02T15:10:34ZAuthenticity control of pine sylvestris essential oil by chiral gas chromatographic analysis of α-pinene10.1038/s41598-021-96356-x2045-2322https://doaj.org/article/894e5cc3d6f94c1f8c7bde41621e00282021-08-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-96356-xhttps://doaj.org/toc/2045-2322Abstract Numerous terpenes present in essential oils (EOs) display one or more chiral centers. Within the same genus the enantiomeric ratio of these compounds can be different. Thus, the determination of enantiomers is a valuable tool to evaluate authenticity and quality of EOs. In here, the terpene profile of primary and commercial pine EOs was analyzed by conventional and chiral gas chromatography coupled to a flame ionization detector. The enantiomeric excess of ( ±)-α-pinene was determined and significant differences between primary and commercially available EOs were observed. Primary EOs of Pinus sylvestris L. showed a positive enantiomeric excess of (+)-α-pinene whereas commercial EOs labeled as P. sylvestris L. exhibited an enantiomeric excess of (−)-α-pinene. Thus, chiral analysis provides useful information on the authenticity of pine EOs and allows to uncover possible mislabeling, the use of the wrong herbal substance and sources of adulteration in pine oil.Martina AllenspachClaudia ValderDaniela FlammChristian SteuerNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-6 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Martina Allenspach Claudia Valder Daniela Flamm Christian Steuer Authenticity control of pine sylvestris essential oil by chiral gas chromatographic analysis of α-pinene
description	Abstract Numerous terpenes present in essential oils (EOs) display one or more chiral centers. Within the same genus the enantiomeric ratio of these compounds can be different. Thus, the determination of enantiomers is a valuable tool to evaluate authenticity and quality of EOs. In here, the terpene profile of primary and commercial pine EOs was analyzed by conventional and chiral gas chromatography coupled to a flame ionization detector. The enantiomeric excess of ( ±)-α-pinene was determined and significant differences between primary and commercially available EOs were observed. Primary EOs of Pinus sylvestris L. showed a positive enantiomeric excess of (+)-α-pinene whereas commercial EOs labeled as P. sylvestris L. exhibited an enantiomeric excess of (−)-α-pinene. Thus, chiral analysis provides useful information on the authenticity of pine EOs and allows to uncover possible mislabeling, the use of the wrong herbal substance and sources of adulteration in pine oil.
format	article
author	Martina Allenspach Claudia Valder Daniela Flamm Christian Steuer
author_facet	Martina Allenspach Claudia Valder Daniela Flamm Christian Steuer
author_sort	Martina Allenspach
title	Authenticity control of pine sylvestris essential oil by chiral gas chromatographic analysis of α-pinene
title_short	Authenticity control of pine sylvestris essential oil by chiral gas chromatographic analysis of α-pinene
title_full	Authenticity control of pine sylvestris essential oil by chiral gas chromatographic analysis of α-pinene
title_fullStr	Authenticity control of pine sylvestris essential oil by chiral gas chromatographic analysis of α-pinene
title_full_unstemmed	Authenticity control of pine sylvestris essential oil by chiral gas chromatographic analysis of α-pinene
title_sort	authenticity control of pine sylvestris essential oil by chiral gas chromatographic analysis of α-pinene
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/894e5cc3d6f94c1f8c7bde41621e0028
work_keys_str_mv	AT martinaallenspach authenticitycontrolofpinesylvestrisessentialoilbychiralgaschromatographicanalysisofapinene AT claudiavalder authenticitycontrolofpinesylvestrisessentialoilbychiralgaschromatographicanalysisofapinene AT danielaflamm authenticitycontrolofpinesylvestrisessentialoilbychiralgaschromatographicanalysisofapinene AT christiansteuer authenticitycontrolofpinesylvestrisessentialoilbychiralgaschromatographicanalysisofapinene
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Authenticity control of pine sylvestris essential oil by chiral gas chromatographic analysis of α-pinene

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