To minimize bruising when slicing fruits, use a sharp knife and cut with a smooth, deliberate motion. Applying lemon juice can also help prevent oxidation and browning.
Bruising in fruits occurs when cells are damaged, releasing enzymes that react with oxygen, leading to discoloration and softening. Here's a breakdown of how to minimize this:
Use a Sharp Knife: A dull knife requires more force, crushing cells instead of cleanly slicing through them. Sharpen your knife regularly or use a new, sharp blade.
Smooth, Deliberate Cuts: Avoid sawing or hacking at the fruit. Use a smooth, downward motion to slice through the fruit in one go. This minimizes cell damage.
Gentle Handling: Handle the fruit gently throughout the slicing process. Avoid dropping or squeezing the slices.
Acidic Wash: Immediately after slicing, dip the fruit slices in a solution of water and lemon juice (or other acidic juice like lime or pineapple). The acid inhibits the enzymes responsible for browning.
Storage: If not serving immediately, store the sliced fruit in an airtight container in the refrigerator. This slows down the oxidation process.
For fruits particularly prone to browning, like apples and pears, consider using a commercial fruit preservative containing ascorbic acid (Vitamin C). These are often more effective than lemon juice alone.