As the cubes are formed, drop them into cold water to prevent discoloration.

Place the cubes into cold water to prevent discoloration.

We now know that the ascorbic acid in the juice prevents discoloration.

How can you prevent discoloration and what options are there to whiten teeth?

Drop the slices into cold water to prevent discoloration.

As the potatoes are prepared, drop each into cold water to cover to prevent discoloration.

As they are peeled, drop them in the lemon water to prevent discoloration.

Squeeze the half lemon over the strips to prevent discoloration.

Drop pieces into cold water to prevent discoloration until ready to cook.

As you work, rub the cut portions with half a lemon to prevent discoloration.