Chick-fil-A Certified Trainer Knowledge Practice Test

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What is the purpose of adding Vitamin C solution to apple pieces?

To enhance flavor
To prevent browning
To improve texture
To increase shelf life

The correct answer is: To prevent browning

Adding Vitamin C solution to apple pieces serves the specific purpose of preventing browning. When apples are cut, their flesh is exposed to oxygen, leading to a reaction with phenolic compounds that causes oxidation. This oxidation results in the enzymatic browning that can make apples appear less appealing. Vitamin C, or ascorbic acid, is an antioxidant that effectively inhibits this process by reducing the pace at which these reactions occur. Thus, by coating apple pieces in Vitamin C, the oxidative damage is minimized, allowing the apples to maintain their fresh, vibrant appearance for a longer period. The other options are less relevant: enhancing flavor and improving texture are not the primary benefits of Vitamin C, and while it may have some impact on shelf life through preventing spoilage, its most immediate effect is on appearance by preventing browning.