alexa Cannabinoids and Terpenes as Chemotaxonomic Markers in Cannabis
ISSN: 2329-6836

Natural Products Chemistry & Research
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Research Article

Cannabinoids and Terpenes as Chemotaxonomic Markers in Cannabis

Elzinga S1, Fischedick J2, Podkolinski R1 and Raber JC1*
1The Werc Shop, LLC, Pasadena, CA 91107, USA
2Excelsior Analytical Lab, Inc., Union City, CA 94587, USA
Corresponding Author : Raber JC
The Werc Shop, LLC
Pasadena, CA 91107, USA
Tel: 855-665-9993
E-mail: [email protected]
Received June 30, 2015; Accepted July 13, 2015; Published July 20, 2015
Citation: Elzinga S, Fischedick J, Podkolinski R, Raber JC (2015) Cannabinoids and Terpenes as Chemotaxonomic Markers in Cannabis. Nat Prod Chem Res 3:181. doi:10.4172/2329-6836.1000181
Copyright: © 2015 Elzinga S, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
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Abstract

In this paper, we present principal component analysis (PCA) results from a dataset containing 494 cannabis flower samples and 170 concentrate samples analyzed for 31 compounds. A continuum of chemical composition amongst cannabis strains was found instead of distinct chemotypes. Our data shows that some strains are much more reproducible in chemical composition than others. Strains labeled as indica were compared with those labeled as sativa and no evidence was found that these two cultivars are distinctly different chemotypes. PCA of “OG” and “Kush” type strains found that “OG” strains have relatively higher levels of α-terpineol, fenchol, limonene, camphene, terpinolene and linalool where “Kush” samples are characterized mainly by the compounds trans-ocimene, guaiol, β-eudesmol, myrcene and α-pinene. The composition of concentrates and flowers were compared as well. Although the absolute concentration of compounds in concentrates is much higher, the relative composition of compounds between flowers and concentrates is similar.

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