Canadian Journal of Applied Sciences


ISSN: 1925-7430
Short Key Title: Can J App Sci
DOI: http://dx.doi.org/10.21065/19257430
Start Year: 2011

A MODEL TO STUDY THE EFFECT OF BOILING ON WATER BORNE BACTERIAL DIARRHEAL AGENTS
Sikandar Khan Sherwani
1. Department of Microbiology, Federal Urdu University of Arts, Science and Technology, Karachi-Pakistan 2. Dow Medical College, Dow University of Health Sciences (DUHS)-Karachi-Pakistan 3. Department of Microbiology, University of Hazara,, Pakistan 4. Department of Microbiology, University of Karachi, Karachi-Pakistan 5. Department of Botany, University of Science & Technology Bannu, Pakistan
Keywords: Salmonella typhi, Shigella. dysenteriae, Diarrheal agents.
Abstract

This simple and easy study was conducted to trace out the actual temperature and time period to get rid of pathogenic bacteria from the water sample simply by boiling method. There is no perfect scientific basis yet exists from the search of literature regarding effect of boiling on water borne pathogens. Four common water borne pathogens were selected (Salmonella typhi, Shigella. dysenteriae, Vibrio cholerae, and Escherichia. coli), artificially contaminated the samples and were subjected to 40oC, 60oC, 80oC and 100oC various temperatures. The result findings indicate that all four pathogens survived till 10 minutes at 40oC. However, two bacterial cultures i.e S. typhi and V. cholerare (105cfu/ml) survived at 60oC in 5 minutes but not in 10 minutes. None of the growth of four pathogens were observed in rest of the exposure of temperature at 80oC and 100oC. It concludes that absolute eradication can be achieved at 80oC and therefore, boiling of water is quite safe for human consumption.

Article Information

Identifiers and Pagination:
Year:2013
Volume:3
First Page:108
Last Page:112
Publisher Id:CanJAppSci (2013 ). 3. 108-112
Article History:
Received:July 7, 2013
Accepted:September 23, 2013
Collection year:2013
First Published:October 1, 2013


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Editor in Chief
Xianghui Qi (PhD)
Jiangsu University, Zhenjiang, China

Bibliography

Dr. Xianghui Qi is working as Professor in the School of Food & Biological Engineering, Jiangsu University, China. His research interests: Biosynthesis of high value-added chemicals by microbes and engineered strains; Discovery of novel genes, enzymes and new strains; Rational & Irrational design of microbial enzymes; Isolation, identification and evolution of microbes; Metabolic engineering & Pathway engineering of functional microbes, and biotransformation; Metabolic regulation based on the research of microbial omics; Application of high value-added products including functional sugar alcohols by biosynthesis and biotransformation based on microbial engineered strains.

Journal Highlights

Subject & Scope
  • Biochemistry and Biotechnology
  • Bioinformatics and Biometric
  • Chemical Technology
  • Dentistry and Hygiene
  • Environmental Health, Safety and Allied Sciences
  • Food and Nutrition
  • Health Management
  • Medical Sciences
  • Molecular/ Cellular Biology
  • Pharmaceutical Sciences
  • Pharmacotherapy
  • Theoretical Models (health, life and clinical practice)
  • Veterinary, Fishery and Animal Biology

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