Why Do Apples Turn Brown

Apples Turn Brown

Have you ever cut an apple and left it on the table for a few minutes only to come back and see it turn brown? You're not alone. The browning of apples is a natural process that occurs when the fruit is exposed to air. In this article, we'll explore why apples turn brown and how to prevent it from happening.

What Causes Apples to Turn Brown?

Oxidation Reaction

The browning of apples is a result of a chemical reaction called oxidation. When an apple is cut or bruised, the enzymes inside the apple come into contact with oxygen in the air. This triggers a series of chemical reactions that cause the apple to turn brown. This process is similar to rusting in metal.

How to Prevent Apples from Turning Brown

Lemon Juice Prevents Browning

There are several ways to prevent apples from turning brown. One of the most effective methods is to use lemon juice. The citric acid in lemon juice helps to slow down the oxidation process, which prevents the apple from turning brown. Simply squeeze some lemon juice onto the cut surface of the apple and it will stay fresh for longer.

Another way to prevent apples from turning brown is to store them in an airtight container. The less exposure to air, the slower the oxidation process will be. You can also try soaking the apple slices in saltwater or soda water to prevent browning. Both of these methods work by reducing the pH level of the apple, which slows down the enzymes responsible for browning.

Why Do Some Apples Turn Brown Faster Than Others?

Enzyme Activity

Not all apples turn brown at the same rate. Some apples, such as Granny Smith, are more resistant to browning than others. This is because the enzymes responsible for browning are less active in these apples. The type of apple, as well as its ripeness and storage conditions, can all affect how quickly it turns brown.

Is Browned Apple Safe to Eat?

Safe To Eat

Although the browning of apples may not look very appetizing, it is still safe to eat. The browning process does not affect the nutritional content of the apple, and it does not make the apple go bad. However, if the apple has turned brown due to spoilage or mold, it should be discarded.

Conclusion

The browning of apples is a natural process that occurs when the fruit is exposed to air. This process is caused by a chemical reaction called oxidation, and it can be prevented by using lemon juice or storing the apple in an airtight container. While browned apples may not look very appealing, they are still safe to eat and do not affect the nutritional content of the fruit.

Related video of Why Do Apples Turn Brown