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Question

When milk is heated at 62oC for 30 minutes and then cooled, the process is called

A
Sterilization
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B
Pasteurisation
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C
Nitrification
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D
Freezing
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Solution

The correct option is B Pasteurisation
Pasteurization is the process of sterilization. In this, packaged and non-packaged food items are heated at 62oC for 30 minutes and then cooled. This is done in order to eliminate pathogens and extend the shelf-life of food. This process frees food materials from vegetative forms of all pathogenic bacteria. This method was introduced by Louis Pasteur.
Thus, the correct answer is 'Pasteurization.'

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