7 Questions
What is the purpose of pasteurization in acidic foods?
To increase the shelf life by destroying micro-organisms and enzymes
How is sensible heat calculated during pasteurization?
$Q = mc(\theta A - \theta B)$
In pasteurization of unpackaged foods, what is a suitable heat exchanger for more viscous foods?
Concentric Tube Heat Exchanger
How are glass containers handled in pasteurization to reduce thermal shock?
By using hot water
What is the maximum temperature difference allowed between glass containers and water for heating?
20 oC
How is food usually cooled after pasteurization?
To approximately 40 oC
What are the changes to nutritional and sensory characteristics of most foods after pasteurization?
Only minor changes
Explore the process of blanching in food processing, which involves briefly immersing food products in boiling water or steam to improve quality and shelf life. Learn about its functions, such as destroying enzymic activity in vegetables and fruits before further processing.
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