49+ Keep Peaches From Turning Brown. Another method is to crush one tablet of vitamin c (ascorbic acid) in a tablespoon of the peach juice. Any peaches can be kept fresh looking by adding citric acid.
How to keep fruit from turning brown three methods:
Here are the best tips to keep bananas from turning brown and ripening too quickly. It turns brown in what feels like five seconds. The air flow is what causes them to turn brown. Apples turn brown due to an enzyme in the fruit that reacts with oxygen in the air.