Chemical component and antimicrobial activity of volatile oil of Calycopteris floribunda |
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| Authors: | Jia-jia Liu Dong-liang Yang Yan Zhang Yao Yuan Fu-xiang Cao Jian-ming Zhao and Xiao-bo Peng |
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| Affiliation: | [1]School of Chemistry and Chemical Engineering, Central South University, Changsha 410083, China [2]School of Biotechnology, Central South University of Forestry and Technology, Changsha 410004, China [3]Botanical Garden of Rare and Endangered Plants, Ruili 678600, China |
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| Abstract: | The volatile oil of leaves and barks of Calycopteris floribunda was examined by gas chromatography-mass spectrometry (GC-MS). 52 volatile chemical components in leaves were identified.
The antimicrobial assay of oils in the leaves and barks was carried out by disk diffusion method in vitro. The major components (mass fraction) in leaves are caryophyllene oxide (13.79%), n-hexadecanoic acid (11.91%) and β-caryophyllene (10.45%). Ten constituents are identified accounting for about 99.98% of the total volatile oil in the bark.
Among these components, n-hexadecanoic acid (59.18%), linolic acid (12.70%) and butyl octyl phthalate (8.21%) are the major constituents. The oils
exhibit strong antimicrobial activity and display more potent against bacteria than fungi. |
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| Keywords: | Calycopteris floribunda volatile oil antimicrobial activity GC-MS |
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