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Lyophilization is also known as ____________

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in Food Processing Unit Operations by (110k points)
Lyophilization is also known as ____________

(a) freezedrying

(b) sundrying

(c) tunneldrying

(d) mechanicaldrying

I have been asked this question during an online interview.

Origin of the question is Basic Drying Theory in portion Drying of Food Processing Unit Operations

1 Answer

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Correct option is (a) freezedrying

For explanation I would say: Lyophilization is also called as freeze drying. It is a process where biological material is preserved by removing the water from sample. It is a twostep process, first the sample is freeze and then dry it under a vacuum at low temperatures.

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