TIL Tomatoes are picked green and ripened by exposing them to Ethylene gas. This gas changes their color to red, but does not change their flavor, leaving them bland.

http://www.npr.org/templates/story/story.php?storyId=126907678



Submitted March 21, 2015 at 10:18PM by doubleFisted33 http://www.reddit.com/r/todayilearned/comments/2zth91/til_tomatoes_are_picked_green_and_ripened_by/