Determination of n-alkanes in the cuticular wax of leaves of Lagerstroemia speciosa Pers.

Determination of n-alkanes in the cuticular wax of leaves of Lagerstroemia speciosa Pers. An n-hexane extract of fresh, mature leaves of Lagerstroemia speciosa Pers., containing a thin layer of epicuticular waxes, has been analyzed for the first time by thin-layer chromatography (TLC), infrared (IR) spectroscopy, gas chromatography (GC), and scanning electron microscopy (SEM) for standard hydrocarbons. The leaves contained 17 identified long-chain (C14–C38) n-alkanes except C14, C15, C17, C19, C21, C23, C36, and C37, accounting for 87.87 % of the hydrocarbons present, and an unknown number of unidentified branched-chain alkanes. The predominant n-alkane was C31 (24.92 %), whilst C33 (14.70 %), C18 (8.30 %), C16 (7.99 %), and C29 (5.11 %) n-alkanes were moderately abundant; the C35 (0.96 %) and C34 (0.64 %) homologs were present in only minor amounts. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Research on Chemical Intermediates Springer Journals

Determination of n-alkanes in the cuticular wax of leaves of Lagerstroemia speciosa Pers.

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Publisher
Springer Journals
Copyright
Copyright © 2013 by Springer Science+Business Media Dordrecht
Subject
Chemistry; Catalysis; Physical Chemistry; Inorganic Chemistry
ISSN
0922-6168
eISSN
1568-5675
D.O.I.
10.1007/s11164-013-1324-8
Publisher site
See Article on Publisher Site

Abstract

An n-hexane extract of fresh, mature leaves of Lagerstroemia speciosa Pers., containing a thin layer of epicuticular waxes, has been analyzed for the first time by thin-layer chromatography (TLC), infrared (IR) spectroscopy, gas chromatography (GC), and scanning electron microscopy (SEM) for standard hydrocarbons. The leaves contained 17 identified long-chain (C14–C38) n-alkanes except C14, C15, C17, C19, C21, C23, C36, and C37, accounting for 87.87 % of the hydrocarbons present, and an unknown number of unidentified branched-chain alkanes. The predominant n-alkane was C31 (24.92 %), whilst C33 (14.70 %), C18 (8.30 %), C16 (7.99 %), and C29 (5.11 %) n-alkanes were moderately abundant; the C35 (0.96 %) and C34 (0.64 %) homologs were present in only minor amounts.

Journal

Research on Chemical IntermediatesSpringer Journals

Published: Jul 4, 2013

References

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