How to prevent peeled fruit or vegetables turning brown (Slideshow version)
Overview:
Most fruits turn brown soon after peeling due to oxydation, and this is unattractive.
To prevent this, you will find many recipes that tell you to coat them with lemon juice as soon as they are peeled. It's relatively effective when fruit are simply to be used peeled, but if you want to make a coulis or a sorbet for example, this is no longer sufficient.