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  • Title: Antimicrobial activity of Diospyros anisandra.
    Author: Borges-Argáez R, Canche-Chay CI, Peña-Rodríguez LM, Said-Fernández S, Molina-Salinas GM.
    Journal: Fitoterapia; 2007 Jul; 78(5):370-2. PubMed ID: 17498888.
    Abstract:
    Leaves, root and stem bark of Diospyros anisandra were screened against two strains of Mycobacterium tuberculosis, one resistant and one susceptible to antibiotics, using the microplate Alamar blue assay test. The lypophylic fractions of the root and bark showed significant inhibitory activity against both strains, with the hexane fraction of the bark showing the strongest activity (MIC 6.25 microg/ml) against the resistant strain and a significant antimicrobial activity against Staphylococcus aureus, Bacillus subtilis, Candida albicans, Aspergillus niger, and Colletotrichum gloeosporioides. The bioassay-guided purification of the bioactive hexane fraction resulted in the isolation and identification of the naphthoquinone plumbagin as one of the metabolites responsible for the biological activity.
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