Essential oils of two Great Basin composites: Chaenactis douglasii and Dieteria canescens from southwestern Idaho

Poudel, Ambika; Satyal, Prabodh; Swor, Kathy; Setzer, William N.

doi:10.58985/jeopc.2023.v01i03.35

Cited by 2 publications

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References 42 publications

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“…There have been several investigations on enantioselective GC-MS analyses of Asteraceae essential oils. However, there are no obvious trends in the enantiomeric distribution of monoterpene hydrocarbons or of oxygenated monoterpenoids in the family [59]. When detected, (-)-(E)-β-caryophyllene is the only enantiomer observed [60][61][62].…”

Section: Resultsmentioning

confidence: 92%

“…This enantiomer is found in numerous higher plants, while (+)-(E)-β-caryophyllene is apparently found in liver-worts [13]. Likewise, (-)-germacrene D and (+)-(E)nerolidol are the dominant, if not exclusive, enantiomers found in the Asteraceae [59,61,62]. Several of the major components in A. millefolium have shown relevant biological activities.…”

Section: Resultsmentioning

confidence: 99%

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The essential oil characterization of Achillea millefolium var. occidentalis DC. from the Great Basin of North America

Poudel,

Satyal,

Swor

et al. 2024

JEOPC

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Article InformationAchillea millefolium is native to temperate regions of the northern hemisphere and is important in traditional herbal medicines throughout its range. The purpose of this work is to evaluate the essential oil composition of the North American variety, A. millefolium var. occidentalis, and to test the hypothesis that var. occidentalis has a chemical composition different from Old World A. millefolium. Six samples of A. millefolium were collected from different locations in the Great Basin region of eastern Oregon and southern Idaho. The essential oils were obtained by hydrodistillation and analyzed by gas chromatographic methods. The essential oils showed wide variation in composition with the major components (-)-camphor (0.5-59.6%), (-)-α-thujone (0.0-40.5%), terpinen-4-ol (0.9-23.4%), artemisia ketone (0.0-18.7%), 1,8-cineole (5.3-16.4%), and (+)-(E)-nerolidol (0.4-13.5%). The essential oil compositions of western North American A. millefolium cannot be distinguished from the samples from Old World samples of A. millefolium; there is no phytochemical support for infraspecific differentiation of the North American variety.

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Section: Resultsmentioning

confidence: 92%

Section: Resultsmentioning

confidence: 99%

The essential oil characterization of Achillea millefolium var. occidentalis DC. from the Great Basin of North America

Poudel,

Satyal,

Swor

et al. 2024

JEOPC

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“…Monoterpene hydrocarbons dominated the essential oils with α-pinene (36.7-45.1%), myrcene (21.6-25.5%), and β-phellandrene (4.9-7.0%) as the major components. As part of our ongoing efforts to obtain and characterize essential oils from the Asteraceae of the Great Basin [38], the purpose of this study is to obtain and chemically characterize the essential oils of A. acanthicarpa, A. ludoviciana, and G. sarothrae from southwestern Idaho. Although there have been previous investigations on the essential oils of A. ludoviciana and G. sarothrae, this present study is focused on the species from southwestern Idaho and also includes enantioselective gas chromatographic analyses to determine the enantiomeric distributions of chiral terpenoid constituents in these essential oils.…”

Section: Ambrosia Acanthicarpamentioning

confidence: 99%

The Essential Oil Compositions of Ambrosia acanthicarpa Hook., Artemisia ludoviciana Nutt., and Gutierrezia sarothrae (Pursh) Britton & Rusby (Asteraceae) from the Owyhee Mountains of Idaho

Swor,

Poudel,

Satyal

et al. 2024

Molecules

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As part of our interest in the volatile phytoconstituents of aromatic plants of the Great Basin, we have obtained essential oils of Ambrosia acanthicarpa (three samples), Artemisia ludoviciana (12 samples), and Gutierrezia sarothrae (six samples) from the Owyhee Mountains of southwestern Idaho. Gas chromatographic analyses (GC-MS, GC-FID, and chiral GC-MS) were carried out on each essential oil sample. The essential oils of A. acanthicarpa were dominated by monoterpene hydrocarbons, including α-pinene (36.7–45.1%), myrcene (21.6–25.5%), and β-phellandrene (4.9–7.0%). Monoterpene hydrocarbons also dominated the essential oils of G. sarothrae, with β-pinene (0.5–18.4%), α-phellandrene (2.2–11.8%), limonene (1.4–25.4%), and (Z)-β-ocimene (18.8–39.4%) as major components. The essential oils of A. ludoviciana showed wide variation in composition, but the relatively abundant compounds were camphor (0.1–61.9%, average 14.1%), 1,8-cineole (0.1–50.8%, average 11.1%), (E)-nerolidol (0.0–41.0%, average 6.8%), and artemisia ketone (0.0–46.1%, average 5.1%). This is the first report on the essential oil composition of A. acanthicarpa and the first report on the enantiomeric distribution in an Ambrosia species. The essential oil compositions of A. ludoviciana and G. sarothrae showed wide variation in composition in this study and compared with previous studies, likely due to subspecies variation.

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Essential oils of two Great Basin composites: Chaenactis douglasii and Dieteria canescens from southwestern Idaho

Abstract: This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution 4.0 International License (CC BY-NC 4.0).

Cited by 2 publications

References 42 publications

The essential oil characterization of Achillea millefolium var. occidentalis DC. from the Great Basin of North America

The essential oil characterization of Achillea millefolium var. occidentalis DC. from the Great Basin of North America

The Essential Oil Compositions of Ambrosia acanthicarpa Hook., Artemisia ludoviciana Nutt., and Gutierrezia sarothrae (Pursh) Britton & Rusby (Asteraceae) from the Owyhee Mountains of Idaho

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