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    • Bachelor of Science in Microbiology
    • Thesis (Bachelor of Science in Microbiology)
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    •   BracU IR
    • School of Data and Sciences (SDS)
    • Department of Mathematics and Natural Sciences (MNS)
    • Bachelor of Science in Microbiology
    • Thesis (Bachelor of Science in Microbiology)
    • View Item
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    Study of the microbiological status of mineral drinking water of Dhaka city

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    12126001_MSN.pdf (1.493Mb)
    Date
    2016-06
    Publisher
    BRAC University
    Author
    Yesmin, Faria
    Metadata
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    URI
    http://hdl.handle.net/10361/6511
    Abstract
    The objectives of this study were to assess the overall quality of mineral water quality samples that obtained from different sources in and around Dhaka city. For achieving the above mentioned objectives, standard questionnaire, methods of heterotrophic plate count (HPC) and total coliform count (TCC) were applied. Moreover, isolated colony from mineral water samples were characterized by using biochemical and antimicrobial susceptibility tests for Staphylococcus aureus, S. intermedius, S. felis and S. saccharolyticus were taken for antibiotic susceptibility test. Qualitative assessment of mineral water indicated that a good number of people preferred bottled water to tap water. HPC was found the lowest in some mineral water samples such as 1.0×10, 1.05 ×102, 2.0×10, 1.5×10, 1.05×102, 3.0×10 but also found the highest count in some mineral water samples. They were: 6.00×102, 6.40×102, 8.00×102, 1.50×102 and 5.50×102. Among all organism as per interested, S. intermedius, S. aureus, S. felis and S. Saccharolyticus were taken for antibiotic susceptibility test. In respect to antimicrobial susceptibility testing most of the Staphylococcus spp. isolates were susceptible to erythromycin, tetracycline, norfloxacin and ciprofloxacin. Furthermore, a few Staphylococcus spp. isolates were intermediate resistant to pencillin and oxacillin. However, most of the Staphylococcus spp. isolates were resistant to cefixime. The results indicate that mineral water serves as a reservoir of various bacteria and that people drinking the water might get diseases. This study emphasizes the need for elaborated microbiological examinations of mineral drinking water commonly used in Dhaka city.
    Keywords
    Drinking water; Mineral water; Water microbiological status; Bottle water
     
    Description
    This thesis report is submitted in partial fulfillment of the requirement for the degree of B.Sc in Microbiology, 2016.
     
    Cataloged from PDF version of thesis report.
     
    Includes bibliographical references (page 52-56).
    Department
    Department of Mathematical and Natural Science, BRAC University
    Collections
    • Thesis (Bachelor of Science in Microbiology)

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