Monthly Archives: June 2021

How to prevent discoloration of apples

Apples from Aomori prefecture are popular for large-sized apples, so they are often cut and eaten rather than bitten. When you cut an apple, the surface gradually oxidizes and turns brown. There is no harm in eating something that has turned brown, but I think there are many people who look a little bad… Why does the color change when you cut an apple in the first place? It’s due to polyphenols. Apples are high in polyphenols and also contain “oxidases” that promote the oxidation of polyphenols. When this polyphenol comes into contact with air, it turns brown due to the action of oxidase.(Polyphenol itself is a component that is… Read More »