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. 2018 Jul 5;23(7):1645.
doi: 10.3390/molecules23071645.

The Chemical Composition and Functional Properties of Essential Oils from Four Species of Schisandra Growing Wild in the Qinling Mountains, China

Xiaorui Wang  1   2   3 , Yan Liu  4   5 , Yuanyuan Niu  6   7 , Nongxue Wang  8   9 , Wei Gu  10   11   12
Affiliations

The Chemical Composition and Functional Properties of Essential Oils from Four Species of Schisandra Growing Wild in the Qinling Mountains, China

Xiaorui Wang et al. Molecules. .

Abstract

The aim of this study was to investigate the chemical composition and functional properties of the essential oils from the plants Schisandra grandiflora (Wall.) Hook. f. et Thoms, Schisandra rubriflora (Franch). Rehd. et Wils., Schisandra sphenanthera Rehd. et Wils., and Schisandra propinqua (Wall.) Baill var. sinensis Oliv. collected in the Qinling Mountains. Under the optimum conditions of the ultrasonic-assisted extraction method, the extraction yields were 7.51% (S. grandiflora), 6.91% (S. rubriflora), 6.11% (S. sphenanthera), and 5.88% (S. propinqua). A total of 86 components were identified from four species of Schisandra and 16 components were shared among the essential oils of all samples with different contents. However, some components were identified only in a certain plant, for example, β-caryophyllen (S. grandiflora), α-bulnesene (S. rubriflora), and α-Chamigrene (S. propinqua). Terpenoids (sesquiterpenes and oxygenated sesquiterpenes), accounting for 73.87⁻82.08% of the total compounds, were the main components. Meanwhile, the antioxidant activities of the essential oils were evaluated through three free radical scavenging assays and a reducing power assay, which were related to the contents of the individual bioactive composition. These results provide a phytochemical foundation for the use of four species, and for the further study of the identification of Schisandra species.

Keywords: Schisandra; antioxidant activity; essential oils; ultrasonic-assisted extraction.

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Conflict of interest statement

No potential conflict of interest was reported by the authors.

Figures

Figure 1
Figure 1
Effect of different parameters on the extraction yield of essential oils from S. sphenanthera: (a) ratio of material to solvent; (b) ultrasonic time; (c) ultrasonic temperature; (d) ultrasonic power.
Figure 1
Figure 1
Effect of different parameters on the extraction yield of essential oils from S. sphenanthera: (a) ratio of material to solvent; (b) ultrasonic time; (c) ultrasonic temperature; (d) ultrasonic power.
Figure 2
Figure 2
The total ion chromatograms of four species ((a) SG; (b) SR; (c) SS; (d) SP) in Schisandra under GC-MS.
Figure 3
Figure 3
The results of free radical scavenging activities of essential oils from four species ((a) SG; (b) SR; (c) SS; (d) SP).
Figure 4
Figure 4
The results of reducing power assay of essential oils from four species ((a) SG; (b) SR; (c) SS; (d) SP).
See this image and copyright information in PMC

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