State the difference between the following 1. decay and putrefaction 2. pasteurization and sterlization
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Answered by
119
hi friends.
Decay is the complete breakdown of organic matter by bacteria without giving out a foul smell.
eg.the cow dung exposed to air is reduced to soil in a few days.
Putrefaction is the incomplete breakdown of organic matter,emitting a foul smell.
×××××××××××
Sterilization is the technique of killing all bacteria completely by heating to high temperature.
Pasteurization is the technique of partial sterilization applied usually to milk.
the milk is heated to a temperature of about 60°C for 30 minutes and then quickly chilled. this may kill the disease causing bacteria , but souring bacteria may still present in it . hence you can state pasteurization does not kill all the bacteria.
Thankyou for reading ......
and please ignore grammatical mistakes :)
Decay is the complete breakdown of organic matter by bacteria without giving out a foul smell.
eg.the cow dung exposed to air is reduced to soil in a few days.
Putrefaction is the incomplete breakdown of organic matter,emitting a foul smell.
×××××××××××
Sterilization is the technique of killing all bacteria completely by heating to high temperature.
Pasteurization is the technique of partial sterilization applied usually to milk.
the milk is heated to a temperature of about 60°C for 30 minutes and then quickly chilled. this may kill the disease causing bacteria , but souring bacteria may still present in it . hence you can state pasteurization does not kill all the bacteria.
Thankyou for reading ......
and please ignore grammatical mistakes :)
Answered by
6
Decay- Decay is the complete breakdown of organic matter by bacteria without giving out a foul smell.
Pesteurization - Pasteurization is the incomplete breakdown of organic matter by bacteria , emitting a foul smell.
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