Certified Cheese Professional Practice Exam

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What is the lowest duration for HHST Pasteurization provided?

1 second
0.1 seconds
0.05 seconds
0.5 seconds

The correct answer is: 0.05 seconds

The lowest duration for HHST (High-Temperature Short-Time) Pasteurization is 0.05 seconds. HHST pasteurization is an advanced form of pasteurization that involves heating milk or other dairy products to a high temperature for a very short duration, which helps in effectively eliminating harmful microorganisms while preserving the quality and nutritional value of the product. This specific duration of 0.05 seconds is crucial as it indicates the process's efficiency in achieving pasteurization with minimal thermal exposure. It allows for a quick and highly effective pasteurization process that can enhance the safety and shelf-life of dairy products without significantly affecting their sensory attributes. Longer durations, such as 1 second, 0.1 seconds, or 0.5 seconds, may not be as effective in ensuring that all harmful bacteria are adequately eliminated, emphasizing the innovative aspect of HHST pasteurization regarding both food safety and product quality.