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Tests for proper pasteurization are based on the activity of which enzyme?

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in Dairy Engineering by (789k points)
Tests for proper pasteurization are based on the activity of which enzyme?

(a) Lactase

(b) Diastase

(c) Phosphatase

(d) Catalase

This question was addressed to me by my school teacher while I was bunking the class.

My question comes from Milk Reception in portion Collection and Reception of Milk of Dairy Engineering

1 Answer

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The correct choice is (c) Phosphatase

To explain I would say: Phosphatase is an enzyme which is naturally present in milk, but is destroyed at a temperature just near to the pasteurization temperature. Alkaline Phosphatase test is used to indicate whether milk has been adequately pasteurised or whether it has been contaminated with raw milk after pasteurization.

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