Certified Dietary Manager (CDM) Practice Exam

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What does UHT stand for in food processing?

Ultra Healthy Treatment
Ultra High Temperature Processing
Uniform Heat Treatment
Ultraviolet Heat Treatment

The correct answer is: Ultra High Temperature Processing

UHT stands for Ultra High Temperature Processing, which is a method used to sterilize liquid food products by heating them to a temperature of at least 135°C (275°F) for a very short period, typically just a few seconds. This process effectively destroys harmful microorganisms and extends the shelf life of the product without the need for refrigeration until it is opened. UHT processing is particularly advantageous for dairy products, juices, and sauces, as it preserves their nutritional value, flavor, and texture while ensuring safety for consumption. This method is distinct from other types of thermal processing and is specifically designed to achieve the high temperatures necessary for the destruction of bacteria, molds, and yeasts. The other terms listed do not accurately reflect the established definition and process associated with UHT.