BANANAS
'(<a href="http://www.j-archive.com/media/2010-06-29_J_08.jpg" target="_blank">Kelly of the Clue Crew reports from a banana plantation in Ecuador.</a>)  Bananas stay green while attached to the plant; picking one releases a gas that changes the fruit's color & turns its starch into this sugar, from the Latin for "fruit"'
fructose