Podcast
Questions and Answers
What is the primary goal of food dehydration?
What is the primary goal of food dehydration?
- To lower the moisture content of foods to a point where microorganisms are inhibited (correct)
- To increase the moisture content of foods
- To change the texture of foods
- To add flavor to foods
What does the term MCdb represent in the context of food dehydration?
What does the term MCdb represent in the context of food dehydration?
- Moisture content on a weight basis
- Moisture content on a volume basis
- Moisture content on a dry basis (correct)
- Moisture content on a wet basis
What is equilibrium moisture content (EMC) of a product?
What is equilibrium moisture content (EMC) of a product?
- The maximum moisture content a product can hold
- The moisture content attained by a food material in equilibrium with its surroundings (correct)
- The moisture content required for microbial growth
- The minimum moisture content a product can hold
What is hygroscopic moisture?
What is hygroscopic moisture?
What is the definition of relative humidity (RH)?
What is the definition of relative humidity (RH)?
What is water activity (aw) defined as?
What is water activity (aw) defined as?
What drives the exchange of moisture between a product and its environment?
What drives the exchange of moisture between a product and its environment?
Foods with a water activity greater than 0.85 are classified as:
Foods with a water activity greater than 0.85 are classified as:
What is the water moisture content (MCwb) range for intermediate moisture foods?
What is the water moisture content (MCwb) range for intermediate moisture foods?
Which of the following types of food has a water activity less than 0.60?
Which of the following types of food has a water activity less than 0.60?
What is the purpose of classifying foods based on their water activity?
What is the purpose of classifying foods based on their water activity?
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