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Int. J. Mol. Sci. 2011, 12(11), 7720-7731; doi:10.3390/ijms12117720
Article

Chemical Compositions, Antioxidant and Antimicrobial Activities of Essential Oils of Piper caninum Blume

1
, 1,* , 2
 and 1
Received: 12 October 2011; in revised form: 28 October 2011 / Accepted: 2 November 2011 / Published: 8 November 2011
(This article belongs to the Section Bioactives and Nutraceuticals)
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Abstract: Chemical composition, antioxidant and antimicrobial activities of the fresh leaves and stems oils of Piper caninum were investigated. A total of forty eight constituents were identified in the leaves (77.9%) and stems (87.0%) oil which were characterized by high proportions of phenylpropanoid, safrole with 17.1% for leaves and 25.5% for stems oil. Antioxidant activities were evaluated by using β-carotene/linoleic acid bleaching, DPPH radical scavenging and total phenolic content. Stems oil showed the highest inhibitory activity towards lipid peroxidation (114.9 ± 0.9%), compared to BHT (95.5 ± 0.5%), while leaves oil showed significant total phenolic content (27.4 ± 0.5 mg GA/g) equivalent to gallic acid. However, the essential oils showed weak activity towards DPPH free-radical scavenging. Evaluation of antimicrobial activity revealed that both oils exhibited strong activity against all bacteria strains with MIC values in the range 62.5 to 250 µg/mL, but weak activity against fungal strains. These findings suggest that the essential oils can be used as antioxidant and antimicrobial agents for therapeutic, nutraceutical industries and food manufactures.
Keywords: essential oil; Piperaceae; Piper caninum; antioxidant; antimicrobial essential oil; Piperaceae; Piper caninum; antioxidant; antimicrobial
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Salleh, W.M.N.H.W.; Ahmad, F.; Yen, K.H.; Sirat, H.M. Chemical Compositions, Antioxidant and Antimicrobial Activities of Essential Oils of Piper caninum Blume. Int. J. Mol. Sci. 2011, 12, 7720-7731.

AMA Style

Salleh WMNHW, Ahmad F, Yen KH, Sirat HM. Chemical Compositions, Antioxidant and Antimicrobial Activities of Essential Oils of Piper caninum Blume. International Journal of Molecular Sciences. 2011; 12(11):7720-7731.

Chicago/Turabian Style

Salleh, Wan Mohd Nuzul Hakimi Wan; Ahmad, Farediah; Yen, Khong Heng; Sirat, Hasnah Mohd. 2011. "Chemical Compositions, Antioxidant and Antimicrobial Activities of Essential Oils of Piper caninum Blume." Int. J. Mol. Sci. 12, no. 11: 7720-7731.



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