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    Pharmacognosy Communications
    Original Article

    Ficus racemosa L. Leaf Extracts Lack Antibacterial activity and are Toxic in vitro

    January 1, 2020Updated:August 6, 20212 Mins Read

    Lindiwe Mpala1, Getmore Chikowe1, Ian Edwin Cock1,2,*
    1School of Environment and Science, Nathan Campus, Griffith University, 170 Kessels Rd, Nathan, Brisbane, Queensland, AUSTRALIA.
    2Environmental Futures Research Institute, Griffith University, 170 Kessels Rd, Nathan, Brisbane, Queensland, AUSTRALIA.

    Pharmacognosy Communications,2020,10,1,52-56.
    DOI:10.5530/pc.2020.1.9
    Published: January 2020
    Type: Original Article

    ABSTRACT

    Introduction: Closely related plant species often share similar secondary metabolites and bioactivities and are therefore good targets for bioactivity testing when one or more species within a genus are known to possess therapeutic properties. The genus Ficus has a long history of medicinal usage in many areas of the world. Many species are known to have therapeutic properties, several species of which have well established antibacterial bioactivities. Methods: The ability of F. racemosa leaf extracts to inhibit the growth of a panel of bacterial pathogens was investigated by disc diffusion assay. Toxicity was examined using the Artemia franciscana nauplii bioassay. Results: F. racemosa methanolic and aqueous extracts were completely ineffective at inhibiting the growth of gram-positive and gram-negative panels of bacteria. The extracts were nontoxic or of low toxicity following 24 h exposure. Conclusion: Despite the close taxonomic relationship with several bioactive Ficus spp. and its therapeutic uses in traditional medicine, F. racemosa leaf extracts were completely ineffective bacterial growth inhibitors. However, these extracts may have other therapeutic properties and testing against protozoa, fungi, virus and tumour cells is required.

    Key words: Myrtaceae, Rose gum, Antibacterial activity, Australian plant, Traditional medicine, Medicinal plants, Toxicity.

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    Recent Posts
    • Editorial
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