Vaccination,Fermentation, Pasteurization and Germ theory of diseases
Vaccination:
Edward Jenner a young British Physician used scraping of cowpox
blister to vaccinate against sheep pox.
Fermentation:
Microorganism like yeast converts sugar to alcohol in the absence of
air this process is called fermentation.
It is used to make wine &
beer.
In the presence of air bacteria convert alcohol into acetic acid
or vinegar.
Pasteurization:
It is the heat treatment of beverage & milk at 72 ̊
̊
̊
C for 30 min to kill
microorganism (which causes spoilage of liquid) in food without
compromising on its quality.
Now a day it is only used for milk
product.
Germ theory of diseases:
Microorganisms are the cause of disease.
In 1860’s English surgeon
Joseph Lister use phenol, Carbolic acid as a disinfectant & antiseptic
solution.
This practice reduced the incidence of infection & death
others surgeon readily adopted it.
Lister technique was the earliest
medical attempt to control infection caused by microorganism.
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This topic is important for the ICDS Supervisor Exam.Click HERE.
You can Go to more posts Regarding ICDS Supervisor Kerala PSC Here.
More ICDS Supervisor Kerala PSCSociology Notes Here
ICDS Supervisor Kerala PSC Homescience Notes Here
ICDS Supervisor Kerala PSC Food ,Nutrition and Health Notes Here
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