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The Chemical Composition of the Flower Oil and the Leaf Oil ofMichelia albaD.C.

 

作者: Yoshitaka Ueyama,   Seiji Hashimoto,   Hiromichi Nii,   Kiyoshi Furukawa,  

 

期刊: Journal of Essential Oil Research  (Taylor Available online 1992)
卷期: Volume 4, issue 1  

页码: 15-23

 

ISSN:1041-2905

 

年代: 1992

 

DOI:10.1080/10412905.1992.9698004

 

出版商: Taylor & Francis Group

 

关键词: Magnoliaceae;Michelia alba;essential oil composition;flower oil;leaf oil;(R)-linalool;chiral separation

 

数据来源: Taylor

 

摘要:

The chemical composition of the flower concrete oil and leaf oil ofMichelia albahave both been examined by a combination of GC/MS and retention indices. Approximately 100 compounds were characterized in both oils, with linalool being the major component of the flower oil (72.8%) and the leaf oil (80.1%), respectively. The most abundant minor components of the flower oil were α-terpineol (6.04%), β-phenylethyl alcohol (2.58%), β-pinene (2.39%), methyl 2-methylbutyrate (1.46%), geraniol (1.23%), and 1, 8-cineole (1.03%). The most abundant minor components of the leaf oil were β-caryophyllene (3.0%), β-elemene (1.7%), caryophyllene oxide (1.68%), and nerolidol (1.19%). Over 70% of the components characterized in the oils were found as trace constituents (<0.05%). Enantiomeric separation using chiral GC revealed that the absolute configuration of linalool was (R)-75%: (S)-25% and (R)-95.3%: (S)-4.7% for flower oil and leaf oil, respectively.

 

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