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On-line Access: 2017-01-03

Received: 2016-09-11

Revision Accepted: 2016-11-09

Crosschecked: 2016-12-15

Cited: 2

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Fei Han


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Journal of Zhejiang University SCIENCE B 2017 Vol.18 No.1 P.79-84


Chemical composition and antioxidant activities of essential oils from different parts of the oregano

Author(s):  Fei Han, Guang-qiang Ma, Ming Yang, Li Yan, Wei Xiong, Ji-cheng Shu, Zhi-dong Zhao, Han-lin Xu

Affiliation(s):  College of Pharmacy, Hubei University of Traditional Chinese Medicine, Wuhan 430065, China; more

Corresponding email(s):   xuhanlin4201@sina.com

Key Words:  Oregano, Chemical composition, Antioxidant activity, Essential oils

Fei Han, Guang-qiang Ma, Ming Yang, Li Yan, Wei Xiong, Ji-cheng Shu, Zhi-dong Zhao, Han-lin Xu. Chemical composition and antioxidant activities of essential oils from different parts of the oregano[J]. Journal of Zhejiang University Science B, 2017, 18(1): 79-84.

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journal="Journal of Zhejiang University Science B",
publisher="Zhejiang University Press & Springer",

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%T Chemical composition and antioxidant activities of essential oils from different parts of the oregano
%A Fei Han
%A Guang-qiang Ma
%A Ming Yang
%A Li Yan
%A Wei Xiong
%A Ji-cheng Shu
%A Zhi-dong Zhao
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%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.B1600377

T1 - Chemical composition and antioxidant activities of essential oils from different parts of the oregano
A1 - Fei Han
A1 - Guang-qiang Ma
A1 - Ming Yang
A1 - Li Yan
A1 - Wei Xiong
A1 - Ji-cheng Shu
A1 - Zhi-dong Zhao
A1 - Han-lin Xu
J0 - Journal of Zhejiang University Science B
VL - 18
IS - 1
SP - 79
EP - 84
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Y1 - 2017
PB - Zhejiang University Press & Springer
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DOI - 10.1631/jzus.B1600377

This research was undertaken in order to characterize the chemical compositions and evaluate the antioxidant activities of essential oils obtained from different parts of the Origanum vulgare L. It is a medicinal plant used in traditional Chinese medicine for the treatment of heat stroke, fever, vomiting, acute gastroenteritis, and respiratory disorders. The chemical compositions of the three essential oils from different parts of the oregano (leaves-flowers, stems, and roots) were identified by gas chromatography-mass spectrometry (GC-MS). The antioxidant activity of each essential oil was assessed using the 2,2-diphenyl-1-picrylhydrazyl (DPPH) free radical scavenging assay and reducing the power test. Among the essential oils from different parts of the oregano, the leaf-flower oils have the best antioxidant activities, whereas the stem oils are the worst. The results of the DPPH free radical scavenging assay showed that the half maximal inhibitory concentration (IC50) values of the essential oils were (0.332±0.040) mg/ml (leaves-flowers), (0.357±0.031) mg/ml (roots), and (0.501±0.029) mg/ml (stems), respectively. Interestingly, the results of reducing the power test also revealed that when the concentration exceeded 1.25 mg/ml, the leaf-flower oils had the highest reducing power; however, the stem oils were the lowest.




Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article


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[24]List of electronic supplementary materials

[25]Table S1 Chemical compositions of essential oils from different parts of O. vulgare L.

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