Question

For pasteurisation milk is__________.

• A. Warmed at ${80}^o$C for $5$ minutes and cooled slowly
• B. Boiled at ${100}^o$C and cooled slowly
• C. Treated with citric acid
• D. Warmed at ${60}^o$C for $20$ minutes and cooled fast

Answer 1

The correct option is D Warmed at ${60}^o$C for $20$ minutes and cooled fast

(D) Warmed at ${60}^{\circ }C$ for 20 minutes & cooled fast.

$\to$ It is a process of heating a liquid to below the Boiling point to destroy microorganisms.

Milk is heated 155 to ${175}^{\circ }$ F i.e.' in Celsius scale about 68.3 to ${81}^{\circ }C$ for an Instant followed by cooling. A standardises milk and cleans extraneous matter from it.