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Chemical Composition of the Oleogum Resin Essential Oils of Boswellia dalzielii from Burkina Faso

1
Aromatic Plant Research Center, 230 N 1200 E, Suite 100, Lehi, UT 84043, USA
2
Laboratory of Plant Biology and Ecology, University Joseph Ki-Zerbo, 03 BP 7021 Ouagadougou 03, Burkina Faso
3
Department of Chemistry, University of Alabama in Huntsville, Huntsville, AL 35899, USA
*
Authors to whom correspondence should be addressed.
Plants 2019, 8(7), 223; https://doi.org/10.3390/plants8070223
Received: 30 May 2019 / Revised: 29 June 2019 / Accepted: 11 July 2019 / Published: 14 July 2019
(This article belongs to the Section Phytochemistry)
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PDF [1844 KB, uploaded 14 July 2019]
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Abstract

Frankincense, the oleogum resin from members of Boswellia, has been used as medicine and incense for thousands of years, and essential oils derived from frankincense are important articles of commerce today. A new source of frankincense resin, Boswellia dalzielii from West Africa has been presented as a new, alternative source of frankincense. In this work, the oleogum resins from 20 different Boswellia dalzielii trees growing in Burkina Faso, West Africa were collected. Hydrodistillation of the resins gave essential oils that were analyzed by GC-MS and GC-FID. The essential oils were dominated by α-pinene (21.0%–56.0%), followed by carvone (2.1%–5.4%) and α-copaene (1.8%–5.0%). Interestingly, there was one individual tree that, although rich in α-pinene (21.0%), also had a substantial concentration of myrcene (19.2%) and α-thujene (9.8%). In conclusion, the oleogum resin essential oil compositions of B. dalzielii, rich in α-pinene, are comparable in composition to other frankincense essential oils, including B. sacra, B. carteri, and B. frereana. Additionally, the differences in composition between samples from Burkina Faso and those from Nigeria are very slight. There is, however, a rare chemotype of B. dalzielii that is dominated by myrcene, found both in Burkina Faso as well as Nigeria. View Full-Text
Keywords: frankincense; olibanum; essential oil composition; α-pinene frankincense; olibanum; essential oil composition; α-pinene
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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DeCarlo, A.; Johnson, S.; Ouédraogo, A.; Dosoky, N.S.; Setzer, W.N. Chemical Composition of the Oleogum Resin Essential Oils of Boswellia dalzielii from Burkina Faso. Plants 2019, 8, 223.

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