Hi. Have u ever asked ur self why do 🍎 apple’s turn brown after being cut?i and is their a scientific reason or

Question: Hi. Have u ever asked ur self why do 🍎 apple's turn brown after being cut?i and is their a scientific reason or theory behind it
- Keywords:
  apple
Asked by hays20hue to Edna on 23 Jul 2025.
- Edna Muthamia answered on 23 Jul 2025:
  
  When you cut an apple the tissues are exposed to oxygen. This triggers the on-set oxidation of Polyphenols in apple fruit in the presence of an enzyme called polyphenol oxidase hence causing the tissues exposed to air to turn brown.