10 Questions
What is one of the goals of the food industry mentioned in the text?
To extend the shelf life of food products
What is a unit operation in food processing?
A basic step that causes a physical change or chemical transformation of materials
Why is it important to provide a wide variety of flavors, colors, and textures in food?
To increase dietary variety
What are fluids termed when pressure is applied and they can flow seamlessly without breaking apart?
Fluids
How are unit operations in food processing categorized?
As basic steps with identifiable and predictable effects on food
What is the term used to describe the transition from solid to fluid and vice versa?
Phase transition
At what temperature does a phase transition occur isothermally?
Exactly at the phase transition temperature
What type of transition occurs without the release or absorption of latent heat?
Glass transition
What changes when materials transform into a glassy state?
They retain the disorder of the liquid state
Why do foods become very stable in their glassy state?
Because compounds are immobilized and diffusion is slow
This quiz covers the four main goals of the food industry, including extending shelf life, providing variety of flavors and textures, and enhancing sensory characteristics of food.
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