Welcome to Chinese Agricultural Science Bulletin,

Chinese Agricultural Science Bulletin ›› 2021, Vol. 37 ›› Issue (13): 56-62.doi: 10.11924/j.issn.1000-6850.casb2020-0381

Special Issue: 园艺

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GC-MS Analysis of Volatile Components in Flowers of Four Kinds of Fragrant Dendrobium Species

Cao Hua1(), Xu Feng1, Lu Lin1, Ji Yulu2, Chen Xiang2, Zhang Baoqiong3, Li Han1()   

  1. 1Flower Research Institute, Yunnan Academy of Agricultural Sciences/ National Research Center for Ornamental Horticulture Engineering, Kunming 650205
    2Fujian Forestry Science and Technology Experimental Center, Nanjing Fujian 363600
    3College of Tropical Crops, Yunnan Agricultural University, Pu’er Yunnan 665000
  • Received:2020-08-19 Revised:2020-12-24 Online:2021-05-05 Published:2021-05-18
  • Contact: Li Han E-mail:22835041@qq.com;354919772@qq.com

Abstract:

The aim is to analyze the volatile components of Dendrobium fragrans flowers by solid phase microextraction combined with gas chromatography-mass spectrometry (SPME/GC-MS). The volatile components and their corresponding contents of Dendrobium aphyllum, D. nobile, D. candidum and D. loddigesii were determined by SPME/GC-MS. 80 volatile components were identified from four Dendrobium species. The common volatile components of the four species were trans-α-ocimene and β-myrcene. Among them, the main volatile components of D. aphyllum were 2-ethylhexyl acetate and trans-α-ocimene, with relative content of 45.86% and 37.3%, respectively; that of D. nobile was β-caryophyllene, with the highest relative content of 20.7%; the main volatile components of D. candidum were α-pinene, limonene and cineole, with relative content of 31.49%, 14.6% and 13.6%, respectively; the main volatile component of D. loddigesii was 2-ethylhexyl acetate, the relative content was 83.21%. The volatile components and relative contents of different kinds of Dendrobium flowers were different. These main volatile components play a decisive role in the fragrance of different Dendrobium flowers.

Key words: Dendrobium, fragrant flowers, volatile components, SPME, GC-MS

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