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Fresh Apple Pie Category: Environment
Dated: 2011-03-29
Lemon can also keep apple pie fresh. Try this for fun!

Steps to be taken

1.    Cut an apple in 4 parts.
2.    Squeeze lemon juice on 2 of them.
3.    Let al the apple pieces for several hours.
4.    The pieces of apple that were not treated with lemon turn brown. The apple pieces that were doctored with lemon juice do not.

How it happens?

When exposed to air, certain chemicals in the apple react by destroying cells, which turn brown. But, the vitamin C (ascorbic acid) in the lemon slows down the reaction between the chemicals in the fruit and the oxygen in the air. This preserves the colour and taste of the apple.
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  • 1 lemon
  • 1 apple