Podcast
Questions and Answers
What is the primary goal of food dehydration in terms of microorganisms?
What is the primary goal of food dehydration in terms of microorganisms?
- To inhibit the activities of food spoilage and food poisoning microorganisms (correct)
- To completely eliminate all microorganisms
- To change the type of microorganisms present in the food
- To increase the growth rate of microorganisms
What is the ratio of H2O in relation to the dry weight of the product?
What is the ratio of H2O in relation to the dry weight of the product?
- Relative humidity
- Moisture content – dry basis (MCdb) (correct)
- Hygroscopic Moisture
- Equilibrium moisture content (EMC)
What is the term for the moisture content attained by a food material in equilibrium with a given vapor pressure of water in the surrounding air?
What is the term for the moisture content attained by a food material in equilibrium with a given vapor pressure of water in the surrounding air?
- Equilibrium moisture content (EMC) (correct)
- Moisture content – dry basis (MCdb)
- Hygroscopic Moisture
- Relative humidity
What is the term for the moisture held within the structure of a solid body by molecular absorptive forces?
What is the term for the moisture held within the structure of a solid body by molecular absorptive forces?
What is the relative degree of saturation of a vapor space or body of moist air?
What is the relative degree of saturation of a vapor space or body of moist air?
What is the ratio of the partial pressure of the water vapor in the air to the partial pressure of saturated vapor at the same temperature?
What is the ratio of the partial pressure of the water vapor in the air to the partial pressure of saturated vapor at the same temperature?
What is defined as the ratio of the partial pressure of water vapor at the surface of the product to the partial pressure of saturated water vapor at the same temperature?
What is defined as the ratio of the partial pressure of water vapor at the surface of the product to the partial pressure of saturated water vapor at the same temperature?
What is the purpose of classification of foods based on water activity?
What is the purpose of classification of foods based on water activity?
What is the primary objective of minimizing dehydration time?
What is the primary objective of minimizing dehydration time?
What is the significance of equilibrium moisture content in food dehydration?
What is the significance of equilibrium moisture content in food dehydration?
What is the primary driver of moisture exchange between a food product and its environment?
What is the primary driver of moisture exchange between a food product and its environment?
What is the term for the moisture content of a food product expressed as a ratio of H2O to dry weight?
What is the term for the moisture content of a food product expressed as a ratio of H2O to dry weight?
What is the role of relative humidity in food dehydration?
What is the role of relative humidity in food dehydration?
What is the significance of water activity in food preservation?
What is the significance of water activity in food preservation?
What is the purpose of classifying foods based on water activity?
What is the purpose of classifying foods based on water activity?
What is the relationship between relative humidity and water activity?
What is the relationship between relative humidity and water activity?
