Spinach Lighting (IMAGE) American Chemical Society Caption Spinach on display under 24-hour light in supermarkets actually gains in content of some nutrients. Credit Marc Villalobos, USDA-ARS Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.