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in Food Processing Unit Operations by (110k points)
What is the temperature of ultra-pasteurization for milk?

(a) 125 – 138°C

(b) 115 – 120°C

(c) 63°C

(d) 63 – 65°C

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This question is from Process Engineering Applications topic in division Process Engineering Applications in Food Industry of Food Processing Unit Operations

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Best answer
The correct choice is (c) 63°C

The explanation: Ultra-pasteurization temperature is 125 – 138°C for 2-4 seconds. Sterilization of milk in container is 115 – 120°C for 20-30 minutes. LTLT pasteurization of milk is 63°C for 30 minutes and for thermisation it is 63 – 65°C for 15 seconds.

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