Certified Cheese Professional Exam Prep 2026 – Complete Practice Test

The correct response indicates that the temperature for HHST (High-Temperature Short-Time) Pasteurization at 1 second is 194°F. This temperature is crucial because HHST is a pasteurization method designed to effectively kill pathogenic microorganisms while maintaining the quality of the product, such as cheese.

At 194°F, the heat penetrates rapidly, leveraging the high temperature to ensure that harmful microbes are eliminated within one second. This process is fundamental in cheese production, as it helps preserve flavor and texture while ensuring safety.

The other options, while representing high temperatures that could also be used in pasteurization processes, do not align with the standard practices for HHST aimed at achieving the required microbial reduction within the specified time frame of 1 second. Using any temperature significantly higher than 194°F without extending the duration would not be typical for HHST, and could lead to negative impacts on the product's sensory properties.