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Acta Horticulturae Sinica ›› 2021, Vol. 48 ›› Issue (8): 1552-1564.doi: 10.16420/j.issn.0513-353x.2020-0987

• Research Papers • Previous Articles     Next Articles

Determination of Leaf Volatile Components from Five Phoebe Species

CHU Sasa1, FAN Xiangzhen2, QIU Zhaokai1, YANG Qi1, ZHANG Yuting1, WANG Yang1, XU Xiaoshan1, TONG Zaikang1, ZHANG Junhong1,*()   

  1. 1Zhejiang A & F University,State Key Laboratory of Subtropical Silviculture,Hangzhou 311300,China
    2Forestry Working Station of Hushan in Suichang County,Lishui,Zhejiang 323308,China
  • Received:2021-04-19 Revised:2021-06-21 Online:2021-08-25 Published:2021-09-06
  • Contact: ZHANG Junhong E-mail:zhangjunhong@zafu.edu.cn

Abstract:

The Phoebe species are valuable ornamental trees,with abundant volatile compounds in the leaves. In order to determine the dynamic changes of volatile compounds in the leaves of five Phoebe species,the headspace-solid phase microextraction(SPME),separated and analyzed by gas chromatography-mass spectrometry(GC-MS). A total of 80 volatile compounds were identified from five Phoebe species,and 52,55,41,56,and 46 compounds were detected from P. chekiangensis,P. bournei, P. sheareri,P. zhennan f. oblong,and P. zhennan f. elliptical,respectively. A total of 70 and 64 volatile compounds were identified from four directions of P. chekiangensis leaves in summer and autumn,respectively. In summer,the maximum variety of compounds was detected in western leaves,while in the autumn the maximum variety was detected in northern leaves. Further,OPLS-DA analysis showed that the volatile compounds were differed between northern and southern leaves,while the western and eastern leaves shared similar compounds. Moreover,we identified six major components,including α-copaene,and α-humulene significantly diverged in leaves grown under four temperatures. In particular,the compound contents under 45 ℃ significantly differed from the other three temperatures. Additionally,the volatile components showed diurnal variation in P. chekiangensis leaves. Eight compounds including α-copaene,β-cadinene and γ-muurolene peaked at 12:00 or 14:00,while ten compounds such as β-caryophyllene,(+)-germacrene D and β-elemene had the lowest content at 12:00 or 14:00. These results provided theoretical guidance on developing and utilizing essential oils from the leaves of P. chekiangensis and other Phoebe species,and the forest rehabilitation at the Phoebe principal stand.

Key words: Phoebe, Phoebe chekiangensis, volatile components, HS-SPME, GC-MS

CLC Number: