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    • Thesis (Bachelor of Science in Microbiology)
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    •   BracU IR
    • Department of Mathematics and Natural Sciences (MNS)
    • Bachelor of Science in Microbiology
    • Thesis (Bachelor of Science in Microbiology)
    • View Item
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    Cynodon dactylon: antimicrobial potential of crude extract as valuable medicinal plant

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    10226002.pdf (4.237Mb)
    Date
    2014-08
    Publisher
    BRAC University
    Author
    Rahman, Shafaque
    Metadata
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    URI
    http://hdl.handle.net/10361/3580
    Abstract
    Cynodon dactylon (Poacae) is a well known traditional plant used as a folk remedy in treatment of many symptoms and diseases like cramps, measles, tumors, wounds, warts, fever and rheumatic affections. In this study, the antimicrobial activity of the plant crude extract from three different extraction (hot and cold aqueous extraction, methanol extraction) was investigated against some of the gram positive bacteria (Staphylococcus epidermidis, Bacillus cereus) and gram negative bacteria (Escherichia coli, Pseudomonas aeroginosa, Salmonella typhi, Shigella dysenteriae) using disc diffusion method. Amoxicillin and Gentamicin were taken as positive control. The diameter of the clear zone of inhibition surrounding the disc was measured. The aqueous extract of Cynodon dactylon had antimicrobial activity against all the test organisms indicating broad spectrum activity of the extract for both gram positive and gram negative bacteria. No clear zone formed with methanol extract. It can be concluded that aqueous extract of whole plant of Cynodon dactylon may be considered as an antibacterial agent and can be used to source antibiotic substances for possible treatment of bacterial infections.
    Keywords
    Microbiology; Green medicine
     
    Description
    This thesis is submitted in partial fulfillment of the requirements for the degree of Bachelor of Science in Microbiology, 2014.
     
    Cataloged from PDF version of thesis.
     
    Includes bibliographical references (page 66-67).
    Department
    Department of Mathematics and Natural Sciences, BRAC University
    Collections
    • Thesis (Bachelor of Science in Microbiology)

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