Why Does Enzymic Browning Happen?
Foods Are Made up of Lots of Different Molecules Including Some Called Enzymes. .. . However When the Fruit Is Sliced, or Squashed, or When the Fruit or...
Why does enzymic browning happen? Foods are made up of lots of different molecules including some called enzymes. ... However when the fruit is sliced, or squashed, or when the fruit or vegetable begins to break down with age, the enzymes come into contact with oxygen in the air. This causes the fruit to turn brown.
What causes enzymatic browning to occur?
The enzymatic browning process is only triggered when PPO, phenolic compounds and oxygen come in contact with one another. This is exactly what happens when a fruit is cut, falls or is knocked around too much.
How do you prevent enzymic browning?
Adding citric, ascorbic or other acids, such as vinegar, lowers the pH and prevent enzymatic browning. During enzymatic browning, polyphenols react with oxygen. If something else reacts with the oxygen, enzymatic browning won't occur. A chemical like this is called an antioxidant.
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