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  • 20-12-2021
  • Chemistry
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How does lemon juice stop an apple from turning brown?

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moeppi
moeppi moeppi
  • 20-12-2021
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).
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