Opal Apples Are a Non-Browning Variety Grow a modern, floral-tasting fruit. Opal apples are a non-browning fruit with bright ...

The Opal apple website says “one of the most incredible and natural features of this apple is that it does not brown after cutting.” If that seems too good to be true, it is.

Opal apples were first bred in the Czech Republic in the 90's as a cross between Golden Delicious and Topaz apples. This ...

Two key opal types, opal-A and opal-CT, represent distinct stages of structural evolution, with the former being largely amorphous and the latter showing short-range order due to the presence of ...