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Today, milk that has been ultra pasteurized must have been heated at or above ______degrees F for at last ________ seconds.(a) 191, 2(b) 212, 3(c) 260, 2(d) 280, 2I had been asked this question in final exam.This interesting question is from Regulations in chapter Regulations of Dairy Engineering

Answer»

The correct choice is (d) 280, 2

For EXPLANATION I would say: Ultra Pasteurization (UP), or Ultra High Temperature (UHT) pasteurization, is the PROCESS of HEATING milk to approximately 280 °F for just 2 seconds and then chilling it back down rapidly. The result is milk that’s 99.9% FREE from bacteria.



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