Causes of Food Deterioration Quiz

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What are the leading causes of food deterioration and spoilage?

Mechanical, physical, chemical, and microbial effects

Why do peels, skins, and shells provide protection against spoilage?

They prevent water loss from fruits and vegetables

What is the term for bacteria that grow particularly well at low temperatures?

Psychrophilic

What is the main consequence of microbial growth in foods?

<p>Development of undesirable sensory characteristics</p> Signup and view all the answers

What are the optimal temperature ranges for mesophilic bacteria?

<p>20°C–45°C</p> Signup and view all the answers

How do favorable conditions impact microbial growth in food?

<p>Promote rapid multiplication</p> Signup and view all the answers

What is a prime reason for the development of rancidity in foods during storage?

<p>Presence of unsaturated fatty acids</p> Signup and view all the answers

Which environmental factor influences nonenzymatic browning in food?

<p>Temperature</p> Signup and view all the answers

What role does water play in lipid oxidation?

<p>Accelerates lipid oxidation at high water activities</p> Signup and view all the answers

What is the main disadvantage of using heat as a food preservation technique?

<p>Overcooking leading to textural disintegration and undesirable flavor</p> Signup and view all the answers

Which category of major food preservation techniques involves directly inactivating bacteria, yeasts, molds, or enzymes?

<p>Directly inactivating bacteria, yeasts, molds, or enzymes</p> Signup and view all the answers

'Aseptic packaging techniques' mentioned in the text are primarily used to:

<p>Avoid recontamination of food products</p> Signup and view all the answers

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