At what temperature is milk heated for ultra-pasteurization?

Ultra-pasteurization involves heating milk to a temperature of at least 280 degrees Fahrenheit. This process is designed to significantly reduce the number of microorganisms in the milk, extending its shelf life considerably. The high temperature used in ultra-pasteurization is key to achieving this goal, as it effectively destroys harmful bacteria and helps maintain the nutritional quality of the milk while providing a longer storage period without refrigeration until opened. This method of processing is essential in dairy industries that require extended shelf life products for distribution.

In contrast, the other temperature options represent lower heating techniques. While they may be adequate for pasteurization, they do not meet the criteria for ultra-pasteurization, which requires the higher temperature to ensure the safety and longevity of the milk product.