Ultraviolet LEDs Create Darker, Redder Lettuce Richer In Antioxidants
Sunday, May 24, 2009 - 21:28
in Mathematics & Economics
Salad dressing aside, a pile of spinach has more nutritional value than a wedge of iceberg lettuce. That's because darker colors in leafy vegetables are often signs of antioxidants that are thought to have a variety of health benefits. Now plant physiologists have developed a way to make lettuce darker and redder -- and therefore healthier -- using ultraviolet light-emitting diodes.