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. 2018 Dec 17;12(1):135.
doi: 10.1186/s13065-018-0495-1.

Chemical composition, antioxidant and antimicrobial potential of essential oils from different parts of Daphne mucronata Royle

Iqra Ashraf  1 , Muhammad Zubair  2 , Komal Rizwan  1   3 , Nasir Rasool  1 , Muhammad Jamil  1 , Shakeel Ahmad Khan  4 , Rasool Bakhsh Tareen  5 , Viqar Uddin Ahmad  6 , Abid Mahmood  7 , Muhammad Riaz  8 , M Zia-Ul-Haq  9 , Hawa Ze Jaafar  10
Affiliations

Chemical composition, antioxidant and antimicrobial potential of essential oils from different parts of Daphne mucronata Royle

Iqra Ashraf et al. Chem Cent J. .

Abstract

This research work was executed to determine chemical composition, anti-oxidant and anti-microbial potential of the essential oils extracted from the leaves and stem of Daphne mucronata Royle. From leaves and stem oils fifty-one different constituents were identified through GC/MS examination. The antioxidant potential evaluated through DPPH free radical scavenging activity and %-inhibition of peroxidation in linoleic acid system. The stem's essential oil showed the good antioxidant activity as compared to leaves essential oil. Results of Antimicrobial activity revealed that both stem and leaves oils showed strong activity against Candida albicans with large inhibition zone (22.2 ± 0.01, 18.9 ± 0.20 mm) and lowest MIC values (0.98 ± 0.005, 2.44 ± 0.002 mg/mL) respectively. Leaves essential was also active against Escherichia coli with inhibition zone of 8.88 ± 0.01 mm and MIC values of 11.2 ± 0.40 mg/mL. These results suggested that the plant's essential oils would be a potential cradle for the natural product based antimicrobial as well as antioxidant agents.

Keywords: Antioxidant; Camphor; D. mucronata; Essential oil; Leaves.

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Conflict of interest statement

The authors declare that they have no competing interests.

Figures

Fig. 1
Fig. 1
Most abundant compounds identified in D. mucronata (stem and leaves) essential oils
Fig. 2
Fig. 2
GC/MS spectra of D. mucronata stem (a) and leaves (b) essential oils
Fig. 3
Fig. 3
Reducing potential of D. mucronata Royle essential oils
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