EatrightPREP Registered Dietitian (RD) Practice Exam

Another name for irradiation is _____.

Cold pasteurization Ohmic heating Gamma bombardment Pulsed light

Correct Answer:

Cold pasteurization

Explanation:

Radiation treatment used to inactivate microbes in foods is described as a non-thermal process, often called cold pasteurization. This label emphasizes that pathogens are reduced without heating the product, preserving flavor and nutrients. Cold pasteurization is the term widely used in industry and regulation to describe irradiation of foods. The other options refer to different technologies: ohmic heating heats food from within using electrical resistance, pulsed light uses brief, intense light pulses, and gamma bombardment is a specific type of irradiation using gamma rays rather than the general method.

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