Which of the following is the time-temperature combination for Thermization?(a) 72°C to 74°C for 15 to 20 seconds(b) 135°C to 140°C for 2 to 4 seconds(c) 63°C for 30 minutes(d) 57°C to 68°C for 15 minI have been asked this question by my college professor while I was bunking the class.My question is based upon Heat Exchangers in division Building Blocks of Dairy Processing of Dairy Engineering

Which of the following is the time-temperature combination for Thermiz

1.	Which of the following is the time-temperature combination for Thermization?(a) 72°C to 74°C for 15 to 20 seconds(b) 135°C to 140°C for 2 to 4 seconds(c) 63°C for 30 minutes(d) 57°C to 68°C for 15 minI have been asked this question by my college professor while I was bunking the class.My question is based upon Heat Exchangers in division Building Blocks of Dairy Processing of Dairy Engineering
Answer» The correct ANSWER is (d) 57°C to 68°C for 15 min For explanation I would say: Thermization involves heating the milk to between 57°C to 68°C and hold for 15 minutes. Thermization targets pathogenic bacteria while LEAVING the good bacteria in the product. The low TEMPERATURES do not alter the structure and taste of the milk.

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