Chemical Composition and Antioxidant Activity of Essential Oil of Six Pinus Taxa Native to China

Molecules

Qing Xie²  Zhihong Liu²  Zhouqi Li¹ 

[1] College of Forestry, Northwest A & F University, Yangling 712100, China;

关键词: pine needle;    essential oil;    GC/MS;    antioxidant activity;   

DOI  :  10.3390/molecules20059380

来源: mdpi

【 摘 要 】

The essential oils obtained by steam distillation from needles of six China endemic Pinus taxa (P. tabulaeformis, P. tabulaeformis f. shekanensis, P. tabulaeformis var. mukdensis, P. tabulaeformis var. umbraculifera, P. henryi and P. massoniana) were analysed by GC/MS. A total of 72 components were separated and identified by GC/MS from the six taxa. The major constituents of the essential oils were: α-pinene (6.78%–20.55%), bornyl acetale (3.32%–12.71%), β-caryophellene (18.26%–26.31%), α-guaiene (1.23%–8.19%), and germacrene D (1.26%–9.93%). Moreover, the essential oils were evaluated for antioxidant potential by three assays (DPPH, FRAP and ABTS) and tested for their total phenolic content. The results showed that all essential oils exhibited acceptable antioxidant activities and these strongly suggest that these pine needles may serve as a potential source of natural antioxidants for food and medical purposes.

【 授权许可】

CC BY   
© 2015 by the authors; licensee MDPI, Basel, Switzerland.