Arctic Apple, World’s First Genetically Engineered Apple | Don’t Turn Brown When Cut or Bruised ~ helpBIOTECH

22 October 2017

Arctic Apple, World’s First Genetically Engineered Apple | Don’t Turn Brown When Cut or Bruised

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When the cell of a typical apple is ruptured – for example, by biting, slicing or bruising – polyphenol oxidase (PPO) found in one part of the cell mixes with polyphenolics found in another part of the cell. (PPO is a plant enzyme. Polyphenolics are one of the many types of chemical substrates that serve various purposes, including supplying its aroma and flavor.) When PPO and polyphenolics mix, brown-toned melanin is left behind.
Arctic® apples produce practically no PPO so that enzymatic browning reaction never occurs.  This means Arctic® apples’ polyphenols aren’t burned up when the apple is bitten, sliced, or otherwise bruised. No chemical reaction, no yucky brown apple left behind. 






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