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Acta Horticulturae Sinica ›› 2022, Vol. 49 ›› Issue (11): 2395-2406.doi: 10.16420/j.issn.0513-353x.2021-0773

• Research Papars • Previous Articles     Next Articles

Analysis of Free Aromatic Components of Different Osmanthus fragrans Cultivars

ZHU Linlin, ZHOU Wanfei, NING Xuan, ZHU Jun, XI Wan, ZENG Xumei, XIONG Kangshun, WANG Caiyun, LUO Jing(), ZHENG Riru()   

  1. Key Laboratory for Biology of Horticultural Plants,Ministry of Education,Key Laboratory for Urban Agriculture of Central China,Ministry of Agriculture and Rural Areas,College of Horticulture & Forestry Sciences,Huazhong Agricultural University,Wuhan 430070,China
  • Received:2022-05-23 Revised:2022-07-26 Online:2022-11-25 Published:2022-11-25
  • Contact: LUO Jing,ZHENG Riru E-mail:ljcau@mail.hzau.edu.cn;rrzheng@mail.hzau.edu.cn

Abstract:

In this study,methyl tert-butyl ether(MTBE)solvent extraction combined with gas chromatography-mass spectrometry(GC-MS)was applied to detect the free aroma components in petals of 20 common cultivars of Osmanthus fragrans. The results showed that 125 kinds of free components were identified in 20 cultivars,which were significantly more than the corresponding volatile aroma components. The aroma components mainly included terpenoids,benzenoids,alkanes,aldehydes,alcohols and esters. Terpenoids were the dominant aroma active components. Among the 20 cultivars,‘Yulian Yinsi’and‘Rixianggui’contained the maximum contents of free aroma components.‘Juye Sijigui’and‘Rixianggui’contained the high contents of terpenoids and were rich in aroma. Luteus Group generally had low aroma components and hardly tended to browning‘Xiaoye Zhushagui’and‘Mantiaohong’had the highest contents of terpenoids in Luteus Group,thus they were recommended as characteristic cultivars for industrial application.‘Rixianggui’was a potential cultivar because it had considerably high contents of β-ionone,γ-decalactone and linalool.‘Juye Sijigui’was also an ideal cultivar with high contents of linalool oxide.

Key words: Osmanthus fragrans, free aroma components, terpenoids, cultivar, solvent extraction, GC-MS

CLC Number: