Screening fresh oranges with UV: Study pinpoints new value of detection tactic
Friday, August 16, 2013 - 09:30
in Mathematics & Economics
Fresh, deliciously sweet navel oranges, on display at your local supermarket, may have been quickly inspected with ultraviolet (UV) light when they were still at the packinghouse. Usually, the purpose of this special sorting and screening is to see if circular spots—which glow a bright, fluorescent yellow and may be about the size of a quarter or larger—show up on the fruit's peel.