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    Pharmacognosy Communications
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    Pharmacognosy Communications
    retyeyutreu
    Original Article

    Growth Inhibitory Activity of Selected Australian Syzygium Species against Malodour Forming Bacteria

    wadmin2By wadmin2September 6, 2017Updated:August 12, 2021No Comments2 Mins Read
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    Aiden Joshua Wood,a Kane McManus,a Mitchell Henry Wright,b Anthony Carlson Greene,a Ian Edwin Cock,a,c,*
    aSchool of Natural Sciences, Griffith University, Nathan Campus, Queensland, AUSTRALIA.
    bDivision of Environmental and Biomolecular Systems, Institute of Environmental Health, Oregon Health and Science University, Portland, Oregon, USA.

    Pharmacognosy Communications,2017,7,3,129-136.
    DOI:10.5530/pc.2017.3.19
    Published: September 2017
    Type: Original Article

    ABSTRACT

    Background: Extracts produced from S. australe and S. luehmannii fruit and leaves are potent growth inhibitors of many bacterial pathogens. They may also inhibit the growth of malodour producing bacteria and thus be useful deodorant components, although this is yet to be tested. Methods: S. australe and S. luehmannii fruit and leaf solvent extracts were investigated by disc diffusion assays against significant bacterial contributors to axillary and plantar malodour formation. Toxicity was determined using the Artemia franciscana nauplii bioassay. Results: S. australe and S. luehmannii solvent extracts were good inhibitors of B. linens and C. jeikeium growth, with zones of inhibition up to 10 mm measured. S. australe extracts were generally better inhibitors of both bacterial species compared with the S. luehmannii extracts. Ethyl acetate extracts were particularly potent, with MIC values of 300 and 857 μg/mL for the S. australe fruit and leaf extracts respectively against B. linens, and 1000 and 311 μg/mL against C. jeikeium. The S. luehmannii fruit ethyl acetate extracts were similarly potent growth inhibitors, with MIC values of 571 and 203 μg/mL against B. linens and C. jeikeium respectively. S. australe aqueous and methanolic leaf extracts were also potent inhibitors of C. jeikeium (MIC’s of 285 and 306 μg/mL respectively). All other extracts had moderate or low inhibitory activity. All of the most potent ethyl acetate extracts were nontoxic in the Artemia franciscana bioassay. In contrast, the methanolic and aqueous S. australe leaf extracts, as well as the aqueous and methanolic S. luehmannii fruit extracts displayed apparent toxicity. However, these results may be fallacious and instead result from the high antioxidant content of these extracts. Conclusion: The potent growth inhibition of axillary and plantar malodour producing bacteria by the Syzygium spp. extracts indicate their potential as deodorant components.

    Keywords: Body odour, Deodorant, Corynebacterium, Myrtaceae, Riberry, Brush cherry, High antioxidant, Medicinal plants.

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    About Journal
    About Journal

    Pharmacognosy Communications [Phcog Commn.] is a quarterly journal published by Phcog.Net. It is a peer reviewed journal aiming to publish high quality original research articles, methods, techniques and evaluation reports, critical reviews, short communications, commentaries and editorials of all aspects of medicinal plant research. The journal is aimed at a broad readership, publishing articles on all aspects of pharmacognosy, and related fields. The journal aims to increase understanding of pharmacognosy as well as to direct and foster further research through the dissemination of scientific information by the publication of manuscripts. The submission of original contributions in all areas of pharmacognosy are welcome.
    Indexed and Abstracted in : Chemical Abstracts, Excerpta Medica / EMBASE, Google Scholar, CABI Full Text, Ulrich’s International Periodical Directory, ProQuest, Journalseek & Genamics, PhcogBase, EBSCOHost, Academic Search Complete, Open J-Gate, SciACCESS.
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