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

User AyB
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1 Answer

11 votes
11 votes
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 Jarmund
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