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How does lemon juice stop an apple from turning brown?

How does lemon juice stop an apple from turning brown?
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How does lemon juice stop an apple from turning brown?

User Sakshi Nagpal
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1 Answer

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Lemon juice prevents browning because it is full of ascorbic acid (Vitamin C) and it has a low pH level. The oxygen will react with the ascorbic acid before it reacts with polyphenol oxidase (the enzyme in the fruit).
User Gnab
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