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Chemodiversity of Nonacosan-10-ol and n-Alkanes in the Needle Wax of Pinus heldreichii

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2012
Authors
Nikolić, Biljana
Tešević, Vele
Đorđević, Iris
Todosijević, Marina
Jadranin, Milka
Bojovic, Srdjan
Marin, Petar D.
Article (Published version)
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Abstract
This is the first report of individual variability and population diversity of the contents of nonacosan-10-ol and n-alkanes in the needle cuticular waxes of Bosnian pines originated from Montenegro, regarded as Pinus heldreichii var. leucodermis, and from Serbia, regarded as P. heldreichii var. pancici. The amount of nonacosan-10-ol varied individually from 27.4 to 73.2% (55.5% in average), but differences between the four investigated populations were not statistically confirmed. The size of the n-alkanes ranged from C18 to C33. The most abundant n-alkanes were C23, C27, and C25 (12.2, 11.2, and 10.8% in average, resp.). The carbon preference index (CPI) of the n-alkanes ranged from 0.8 to 3.1 (1.6 in average), while the average chain length (ACL) ranged from 20.9 to 26.5 (24.4 in average). Long-chain and mid-chain n-alkanes prevailed (49.6 and 37.9% in average, resp.). It was also found that the populations of P. heldreichii var. leucodermis had predominantly a narrower range of n-a...lkanes (C18?C31) than the trees of the variety pancici (C18?C33). Differences between the varieties were also significant for most of the other characteristics of the n-alkane pattern (e.g., most abundant n-alkanes, CPI, ACL, and relative proportion of short-, mid-, and long-chain n-alkanes). The principle component and cluster analyses of eleven n-alkanes confirmed the significant diversity of these two varieties.

Keywords:
Pinus heldreichii / Needle cuticular wax / Nonacosan-10-ol / Carbon preference index (CPI) / Principal-component analysis (PCA) / Cluster analysis (CA) / Chemodiversity
Source:
Chemistry & Biodiversity, 2012, 9, 1, 80-90
Publisher:
  • Wiley-Blackwell, Malden
Projects:
  • Micromorphological, phytochemical and molecular investigations of plants - systematic, ecological and applicative aspects (RS-173029)
  • Natural products of wild, cultivated and edible plants: structure and bioactivity determination (RS-172053)
  • Evaluation of ecophysiological and genetic plant diversity in forest ecosystems (RS-173011)

DOI: 10.1002/cbdv.201100179

ISSN: 1612-1872

PubMed: 22253105

WoS: 000299154400009

Scopus: 2-s2.0-84856019644
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URI
http://cer.ihtm.bg.ac.rs/handle/123456789/1006
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