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Open AccessArticle

Verification of Chromatographic Profile of Primary Essential Oil of Pinus sylvestris L. Combined with Chemometric Analysis

1
Institute of Pharmaceutical Sciences, ETH Zürich, HCI, Vladimir-Prelog-Weg 4, 8093 Zürich, Switzerland
2
Systema Natura GmbH, Konrad-Zuse-Ring 8, 24220 Flintbek, Germany
*
Author to whom correspondence should be addressed.
Molecules 2020, 25(13), 2973; https://doi.org/10.3390/molecules25132973
Received: 7 June 2020 / Revised: 25 June 2020 / Accepted: 26 June 2020 / Published: 28 June 2020
(This article belongs to the Section Analytical Chemistry)
Chromatographic profiles of primary essential oils (EO) deliver valuable authentic information about composition and compound pattern. Primary EOs obtained from Pinus sylvestris L. (PS) from different global origins were analyzed using gas chromatography coupled to a flame ionization detector (GC-FID) and identified by GC hyphenated to mass spectrometer (GC-MS). A primary EO of PS was characterized by a distinct sesquiterpene pattern followed by a diterpene profile containing diterpenoids of the labdane, pimarane or abietane type. Based on their sesquiterpene compound patterns, primary EOs of PS were separated into their geographical origin using component analysis. Furthermore, differentiation of closely related pine EOs by partial least square discriminant analysis proved the existence of a primary EO of PS. The developed and validated PLS-DA model is suitable as a screening tool to assess the correct chemotaxonomic identification of a primary pine EOs as it classified all pine EOs correctly. View Full-Text
Keywords: Pinus sylvestris L.; primary essential oil; chromatographic profile; chemometric analysis Pinus sylvestris L.; primary essential oil; chromatographic profile; chemometric analysis
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MDPI and ACS Style

Allenspach, M.; Valder, C.; Flamm, D.; Grisoni, F.; Steuer, C. Verification of Chromatographic Profile of Primary Essential Oil of Pinus sylvestris L. Combined with Chemometric Analysis. Molecules 2020, 25, 2973.

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