What is the role of citric acid in food preservation?

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Question: What is the role of citric acid in food preservation?

Options:

Correct Answer: pH regulator

Solution:

Citric acid acts as a pH regulator, helping to preserve food by creating an acidic environment that inhibits microbial growth.

What is the role of citric acid in food preservation?

What is the role of citric acid in food preservation?

Step 1: Understand what citric acid is. It is a natural acid found in citrus fruits like lemons and limes.
Step 2: Learn that citric acid can lower the pH of food. pH is a measure of how acidic or basic something is.
Step 3: Know that many bacteria and molds that spoil food prefer a neutral or basic environment to grow.
Step 4: Realize that by adding citric acid, the food becomes more acidic.
Step 5: Understand that this acidic environment makes it harder for harmful microbes to grow, thus preserving the food.
Step 6: Conclude that citric acid helps keep food safe and fresh for a longer time.

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