Question
Food spoilage is often caused by which type of microbe? (A) mesophiles (B) psychrophiles (C) psychrotrophs (D) thermophiles
Ask by Lowe Boyd. in the United States
Feb 27,2025
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Answer
Psychrotrophs cause food spoilage.
Solution
The correct answer is (C) psychrotrophs.
Psychrotrophs are microbes that can grow at refrigeration temperatures, which is why they are commonly responsible for spoilage of refrigerated foods. Unlike psychrophiles that thrive exclusively at cold temperatures, psychrotrophs have a broader temperature range but are particularly problematic in food storage conditions where the temperature is low.
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Food spoilage is primarily caused by psychrotrophs, which are microorganisms that thrive in cold environments, typically between 0°C and 30°C. They can grow at refrigerator temperatures and are responsible for spoilage of food items like dairy products and meats, making them a significant concern for food safety and shelf life. On the other hand, mesophiles prefer moderate temperatures, usually between 20°C and 45°C, and thrive in many common food environments. This means they can also contribute to spoilage but are more likely to be active when food is left out at room temperature, leading to potential foodborne illnesses if not managed properly.
