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Molecules 2016, 21(3), 363; doi:10.3390/molecules21030363

Comparison of the Profile and Composition of Volatiles in Coniferous Needles According to Extraction Methods

1
Department of Food Science and Engineering, Ewha Womans University, Seoul 120-750, Korea
2
Department of Food Science and Technology, Chung-Ang University, Anseong, Kyounggido 456-756, Korea
3
College of Pharmacy, Chung-Ang University, Seoul 156-756, Korea
4
Horticultural Research Institute, Jeollanamdo Agricultural Research & Extension Service, Najusi, Jeollanamdo 520-715, Korea
These authors contributed equally to this work.
*
Author to whom correspondence should be addressed.
Academic Editor: Luca Forti
Received: 26 January 2016 / Revised: 29 February 2016 / Accepted: 8 March 2016 / Published: 17 March 2016
(This article belongs to the Collection Recent Advances in Flavors and Fragrances)
View Full-Text   |   Download PDF [250 KB, uploaded 17 March 2016]

Abstract

The enantiomeric distribution and profile of volatiles in plants, which affect the biological and organoleptic properties, can be varied depending on extraction methods as well as their cultivars. The secondary volatile components of the needles of three conifer cultivars (Chamaecyparispisifera, Chamaecyparisobtusa, and Thujaorientalis) were compared. Furthermore, the effects of three different extraction methods—solid-phase microextraction (SPME), steam distillation (SD), and solvent extraction (SE)—on the composition and enantiomeric distribution of those volatiles were elucidated. Monoterpene hydrocarbons predominated in all samples, and the compositions of sesquiterpenes and diterpenes differed according to the cultivar. In particular, the yields of oxygenated monoterpenes and sesquiterpenes were greatest for SD, whereas those of sesquiterpenes and diterpenes were highest for SE. On the other hand, more monoterpenes with higher volatility could be obtained with SPME and SD than when using SE. In addition, the enantiomeric composition of nine chiral compounds found in three cultivars differed according to their chemotype. There were also some differences in the yielded oxygenated monoterpenes and sesquiterpene hydrocarbons, but not monoterpene hydrocarbons, according to the extraction method. These results demonstrate that the extraction methods used as well as the cultivars influence the measured volatile profiles and enantiomeric distribution of coniferous needle extracts. View Full-Text
Keywords: Cupressaceae family; coniferous needles; volatile composition; enantiomeric distribution; GC-MS; extraction methods Cupressaceae family; coniferous needles; volatile composition; enantiomeric distribution; GC-MS; extraction methods
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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MDPI and ACS Style

Jun, Y.; Lee, S.M.; Ju, H.K.; Lee, H.J.; Choi, H.-K.; Jo, G.S.; Kim, Y.-S. Comparison of the Profile and Composition of Volatiles in Coniferous Needles According to Extraction Methods. Molecules 2016, 21, 363.

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